65 Best Fish For Freshwater Aquarium Tanks
Aquariums are a great way to bring the beauty of nature into your home. They can be calming and relaxing, and they make great conversation starters. Before you can enjoy all that a new aquarium has to offer, you need to choose the best fish tank fish for your freshwater aquarium!
What To Know
There are many factors to consider when choosing fish for your aquarium.
The tank size, the type of water you have, the aquarium kit, your water conditioner, and the other fish in your tank all play a role in what kind of fish will thrive.
Always, make sure that your fish have the best fish tanks for them.
To help you choose the best fish for your freshwater aquarium, we’ve compiled a list of our top 65 picks.
These fish are all beautiful, hardy species, and relatively easy to care for due to the nitrogen cycle.
Just don’t put any of them in saltwater tanks! You’ll want a different species of fish for that!
65 Best Fish For Freshwater Aquarium Tanks
Here’s the scoop on the best fish tank fish!
1. Angels
Angels are a popular choice for freshwater aquariums. They come in a wide variety of colors and patterns, and they’re relatively easy to care for.
In fact, they are one of the easiest fish to have. They are such colorful freshwater fish!
Angels are also a peaceful species of fish, so they make a good addition to community tanks.
These fish do best in tanks that are at least 30 gallons. They will be too cramped in a 10-gallon tank!
They prefer a water temperature that is on the cooler side, around 72 degrees Fahrenheit. It may seem like warm water to us, but for fish, it is a bit cold, but just fine for the angel fish!
2. Celestial Pearl Danios
Celestial pearl danios are another popular choice for freshwater aquariums.
These little fish are incredibly hardy and can tolerate a wide range of water conditions.
They’re also very active, so they’ll need a tank with plenty of room to swim. Celestial pearl danios are best kept in groups of at least six.
3. Guppies
Guppies are one of the most popular freshwater aquarium fish species in the world.
They are brightly colored and very active, making them a beautiful addition to any home aquarium.
Guppies are also live-bearing, meaning they give birth to live young rather than laying eggs. This makes them easy to care for and keeps their populations healthy.
4. Neon Tetras
Looking for a little bit of color in your aquarium? Meet the Neon Tetra!
These beautiful little fish are sure to brighten up any space with their vibrant neon blue and orange colors.
Native to the Amazon basin, these freshwater fish are perfect for any beginner aquarium.
Not only do they add a splash of color, but Neon Tetras are also very peaceful fish that get along well with other tank mates.
So whether you’re an experienced aquarist or a beginner just getting started, these little fish are sure to bring you enjoyment!
5. Dwarf Gourami
The Dwarf Gourami is the perfect addition to any fish tank. This peaceful and shy fish will add beauty and serenity to your underwater world.
Not to mention, if you have a pair of these lovely creatures, they will swim together in perfect harmony.
Of course, as all great things come with a catch, the Dwarf Gourami is considered a labyrinth fish.
This simply means that they need easy access to the water’s surface in order to breathe properly through their lung-like labyrinth organ.
However, this should not be viewed as a negative quality, but rather a chance to witness the impressive construction instincts of this species firsthand if you choose to breed them.
6. Black Molly
Are you looking for a fish that will really stand out in your aquarium? Then the Black Molly is the perfect choice!
With their unique black coloration, these fish are sure to turn heads.
The Black Molly is more than just a pretty face! They are also hardy and easy to care for, making them ideal for beginner aquarists.
They are relatively small, with males reaching a maximum of 3 inch of fish and females often growing a bit larger.
7. Cherry Barb
The cherry barb is a beautiful freshwater fish that is perfect for any aquarium. The fish are small and slender, with a bright red color that is sure to stand out in your tank.
The cherry barb is an active and peaceful fish that does well in groups, making them the perfect addition to any community tank.
These hardy little fish are also very easy to care for, making them ideal for both beginners without much experience and experienced fish keepers.
Plus, they don’t need much effort to take care of.
With a lifespan of 4 to 6 years, the cherry barb is a great choice for anyone looking for a long-term addition to their aquarium.
8. Betta Fish
Looking for a fun and unique addition to your home? Meet the Betta fish, also known as betta splendens!
These vibrant and lively fish are sure to bring a splash of excitement to your life.
Betta fish are best known for their gorgeous fins and beautiful colors.
Did you know that they are also one of the most popular freshwater fish in the world? That’s because Bettas are not only stunning to look at, but they’re also easy to care for.
In fact, all they need is a little bit of love and attention, and a properly sized tank, of course!
A male betta fish is especially cool to look at with its long colorful fins and tail!
Plus, they come in so many different colors and have such a unique look!
Bettas make great pets for kids and adults alike. They’re interactive, curious, and full of personality.
9. Pearl Gourami
The pearl gourami is a beautiful and hardy fish that is easy to keep. It is a labyrinth fish, meaning that it can breathe by gulping air at the surface of the tank.
The pearl gourami can actually vocalize; don’t be surprised if you hear your pet “talking” with growling or croaking noises, especially when breeding or fighting.
They can be wild fighters, much like siamese fighting fish.
The body shape is elongated and laterally compressed. The ventral fins are long and thin, and they have the appearance of long feelers.
Its mouth is small and upturned. Pearl and brown flecks covering the body give it a mother of pearl appearance, from which it derives its name.
10. Harlequin Rasbora
The Harlequin Rasbora is a beautiful fish that is perfect for any freshwater aquarium.
It is easy to care for and is peaceful with most other fish species, making it a great choice for a community tank.
This fish is a smaller size, so be sure to keep it with other smaller fish.
The Harlequin Rasbora prefers an environment with plenty of vegetation, an open area for swimming, and subdued lighting.
When creating an aquarium for your Harlequin Rasbora, be sure to include live plants to provide natural beauty and a natural look and create the perfect environment for your fish.
It will remind them of their natural habitat and natural environment.
11. Cardinal Tetras
The Cardinal Tetra is a brilliantly colored fish that is perfect for any community aquarium.
These active and peaceful fish are easy to care for and make a great addition to any tank.
The Cardinal Tetra has a beautiful blue stripe running from its nose to tail, with a brilliant red stripe below.
Their underbelly is a soft white, setting off this stunning fish.
The Cardinal Tetra requires a mature tank with soft, acidic water and stable water chemistry.
12. Bottom Feeder Fish
When most people think of fish, they picture brightly colored tropical fish swimming at the top of the tank. They are great for tropical fish tanks.
There is actually a variety of fish that prefer to live at the bottom of the tank, these are known as bottom feeders.
Bottom feeder fish are typically smaller in size and have flattened bodies that allow them to swim close to the substrate.
These fish are mostly scavengers, feeding on algae, dead plants, and leftover fish food. Thus, they do not need live food.
While they are not as flashy as some of the other fish on this list, bottom feeders are an important part of any healthy aquarium ecosystem.
They help keep the tank clean and provide valuable nutrients to the plants and other organisms in the tank.
13. African Cichlids
Looking for a fish that’ll add some serious personality to your aquarium? Look no further than the African cichlid!
These amazing freshwater fish are native to Africa, Asia, and South America, and come in a wide range of colors and patterns. They’re also known for being very active, so they’re always fun to watch.
African cichlids do require some special care, but they’re generally tough fish that make great pets even for beginner aquarium owners.
Just be sure to give them enough space and keep the water quality high, and you’ll have a happy and healthy tank in no time.
14. White Cloud Mountain Minnows
Welcome to the world of White Cloud Mountain Minnows!
These little fish are perfect for beginning hobbyists, as they are very hardy and undemanding when it comes to water quality.
Their vibrant colors will bring a touch of beauty and life to any home, and their peaceful nature makes them a perfect addition to any community tank.
Although they are relatively low-maintenance, there are a few things to keep in mind when caring for White Cloud Mountain Minnows.
Firstly, they do not deal well with heat, so it is an important thing to provide them with an open area for swimming and subdued lighting.
Secondly, they are very sensitive to copper, so avoid using any medications containing this element.
15. Cory Catfish
Cory Catfish is one of the best freshwater fish for people of all experience levels. They’re easy to care for and look fantastic, making them a great addition to any home aquarium.
There are many different types of Cory catfish available, so doing some research beforehand will help you find the perfect fish for your tank.
These hardy little fish are very low-stress, making them ideal for anyone who wants a hassle-free aquarium experience.
However, it’s important to note that Corys can be susceptible to stress during transport, so it’s important to acclimate them slowly to their new environment.
With a little care and attention, your Cory catfish will thrive in your aquarium and provide you with years of enjoyment.
16. Kuhi Loach
Looking for a freshwater fish that’s both beautiful and low-maintenance? Then look no further than the Kuhli Loach!
These charming little fish are perfect for beginner aquarium enthusiasts, as they’re hardy and adaptable to a wide range of water conditions.
They’re also great cleaners, helping to keep your tank clean and free of debris.
One of the most distinguishing features of the Kuhli Loach is its slender body.
At first glance, many people mistake them for eels. Don’t be fooled, these fish are gentle and harmless, and make wonderful additions to any community tank.
They’re typically peaceful towards other fish, and their small size means they won’t overcrowd your tank.
17. Goldfish
Looking for a pet that is fun, beautiful, and easy to care for? Look no further than the goldfish!
Goldfish have been popular pets for centuries, and for good reason.
Not only are they lovely to look at, but they are also very intelligent and can form close bonds with their owners.
Goldfish are also relatively long-lived, with an average lifespan of over 20 years.
With so many different varieties available, there is sure to be a goldfish that is perfect for you. So come on down to your local pet store and pick up a goldfish today!
18. Golden Dwarf Barbs
Looking for a peaceful and easy-to-care-for fish for your aquarium? The Golden Dwarf Barb is perfect for you!
This little fish is calm and friendly, making it a great choice for a small, well-planted aquarium.
Additionally, because it’s not as robust or active as some other barbs, the Golden Dwarf Barb is compatible with most other gentle fish species.
Plus, these fish love to travel in large schools together, so be sure to add at least eight to ten of them to your tank!
The Golden Dwarf Barb is a sensitive fish though, so only house it in an established aquarium with pristine water conditions.
19. Rainbow Fish
The Rainbow Fish is a group of freshwater fish that are known for their bright and colorful scales.
They are native to Australia, Madagascar, New Guinea, and Sulawesi, but can now be found in aquariums all over the world.
Rainbow fish are peaceful and schooling fish that do best in groups of five or more.
They require plenty of open swimming space and are very active, so they make a great addition to any aquarium.
20. Zebra Danios
The zebra danio is a freshwater fish that is part of the danio group and family Cyprinidae.
The fish is known for its slim body and horizontal black and white stripes that resemble a zebra.
Zebra danios are popular among aquarium enthusiasts because of their social and peaceful nature, although they can be aggressive if housed in a small, crowded tank.
Fully-grown zebra danios reach a maximum length of 2.5 inches, with females being larger than males in the abdominal region.
Life expectancy for these little fish is between two and five years. In the wild, zebra danios are silvery-gold in color with blue stripes.
21. Platy Fish
Looking for a low-maintenance fish to add to your freshwater aquarium? Meet the platy fish!
These little guys are quite common among aquarists, and they’re beautiful to boot.
The platy’s iconic shape is short and stout with a laterally compressed body and is due to crossbreeding.
There are many different types of platy fish out there, so you’re sure to find one that fits your taste.
Some are rarer than others, so you may have to seek a specialty breeder to get your hands on rare specimens. The typical platy fish lifespan is between three to five years when kept in optimal conditions.
22. Bristlenose Pleco
Looking for a little something extra to add to your freshwater tanks? Say hello to Bristlenose Plecos!
These unique and fun creatures are great for keeping algae at bay, and their interesting appearance is sure to add some personality to your aquarium.
Plus, they’re easy to care for and make a great addition for novice fish owners.
Bristlenose Plecos come in a variety of colors, so you’re sure to find one that fits your taste.
Most have dark colors to blend in with the Amazon Basin substrate, including black, dark brown, gray, and olive.
No matter what color you choose, you’re getting a fish that’s adventurous and fun to watch.
23. Discus
Discus fish are some of the most beautiful and majestic freshwater fish in the world.
They are known for their spectacular colors, large size, and round shape. You will need bigger tanks for these guys!
However, they are also notorious for being extremely difficult to keep. It is recommended a 75-gallon aquarium or larger for these fish.
Remember that they get big – usually 5 to 7 inches in diameter – so you need an adequate amount of room and great water parameters. These fish are great for a larger tank.
23. Killifish
Looking for a freshwater fish that is both beautiful and unique? Look no further than the killifish!
These vibrant little fish are beloved by fish-keeping enthusiasts around the world for their bright colors and patterns.
From the tranquil blue waters of the Amazon to the bustling reefs of the Indo-Pacific, killifish come in a wide variety of colors and patterns to suit any taste.
It’s not just their looks that make killifish so popular!
These little fish are also relatively easy to care for, making them a great choice for beginner aquarium hobbyists.
Killifish are generally peaceful and get along well with other community tank mates, but be sure to do your research before adding any new fish to your tank.
24. Oscar Fish
Looking for a beautiful, yet feisty, addition to your aquarium? Look no further than the Oscar fish!
Also known as velvet cichlids, these freshwater fish are native to South America and are a popular choice among experienced aquarists.
Oscars are popular for their striking appearance and their aggressive nature. Their bodies are long and egg-shaped, with symmetrical caudal fins.
They typically grow to be 10-12 inches long in captivity. In the wild, they can reach up to 18 inches!
Oscars come in a variety of colors, from bright orange to muted brown. No matter what color you choose, your Oscar is sure to be a showstopper in your aquarium.
25. Otocinclus
Looking for a little algae-eating help in your freshwater aquarium? Say hello to the Otocinclus catfish!
These small, peaceful fish are popular among aquarists for their scavenging behavior.
Otocincluses can help keep your aquarium clean and free of unsightly algae growth.
There are 22 known species of otocinclus catfish, which vary in coloration but usually have a horizontal brown stripe running along their bodies.
These little fish make great additions to community tanks, as long as they are not kept with large, aggressive, or predatory tank mates.
The average lifespan of an otocinclus in captivity is 3-5 years.
26. Pictus Catfish
The Pictus Catfish has been a popular freshwater aquarium fish for many years due to its ease of care and distinct “catfish” look.
Native to South America, the Pictus Catfish is a hardy fish that can live 8-10 years with proper care.
They are peaceful by nature and make an excellent addition to any community tank.
These bottom dwelling fish are nocturnal and prefer to hide among plants and driftwood during the daytime. So make sure to give them a lot of hiding places!
At night they come out to feed on insects, worms, and small crustaceans. The Pictus Catfish is an attractive fish with long barbels that give it a playful look.
They are available in a variety of color morphs, including albino and gold.
27. Plecostomus
If you’re looking for a fish that can help keep your aquarium clean, then a plecostomus may be the best option for you!
These fascinating fish are native to the rivers of the Amazon jungle in South America and are well-known for their algae-eating abilities.
Plecos come in a variety of shapes and sizes, and some even have special adaptations that allow them to breathe air and extract oxygen from it within their intestines.
So if you’re looking for a low-maintenance fish that can help keep your aquarium clean and tidy, a plecostomus is definitely worth considering!
28. Sparkling Gourami
Looking for a freshwater fish that’s both beautiful and easy to care for? Then you need a sparkling gourami!
These little fish are packed with color and personality, and they’re perfect for beginner aquarists.
Here’s everything you need to know about these amazing freshwater fish!
Sparkling gouramis are small fish, averaging around 1.5 inches in length when fully grown.
Despite their small size, they’re lively and energetic, constantly darting around the tank in search of food.
They’re also very social creatures, so we recommend keeping them in groups of 3 or more.
The lifespan of a sparkling gourami is 4-5 years, which is on par with most other common types.
29. Tiger Barb
With their brilliantly colored scales and spirited personalities, tiger barbs are one of the most popular and well-loved fish you can have in your aquarium.
They come in a range of colors and love to play and show off.
Plus, they are easy to care for making them the perfect choice for both beginner and experienced fishkeepers alike.
While tiger barbs do have a reputation for being aggressive and dominant, their behavior is more annoying than harmful.
These fish are very competitive and will form small hierarchies where they will compete for dominance.
However, their aggression is usually directed towards other tiger barbs and not towards other species of fish.
30. Black Ruby Barb
Looking for a schooling fish that is easy to care for and compatible with other peaceful fish? Look no further than the Black Ruby Barb!
These little beauties are native to Sri Lanka and can be found in slow-moving streams. They prefer a diet that is vegetable-based, and they do best when kept in a group.
Black Ruby barbs are very easy to breed, which makes them a great choice for aquarists of all levels of experience.
They don’t grow too big, usually topping out at 2.5 inches as adults, so they are well suited for smaller tanks.
Plus, because they are peaceful by nature, they make a great addition to any community tank.
31. Mickey Mouse Platy
The Mickey Mouse Platy is a friendly and easy to care for freshwater fish that is sure to be a conversation starter.
This fish gets its name from the “hidden Mickey” design located near its tail, which is a large round black spot with two smaller round “ears.”
The Mickey Mouse platy is tolerant of a wide range of water conditions and is relatively easy to breed.
This species bares lots of live young, which can be fascinating for both young and old fishkeepers.
32. Serpae Tetra
The Serpae Tetra is a beautiful, brightly colored fish that is popular among Aquarium enthusiasts. They are easy to care for and make a great addition to any community aquarium.
These fish are native to South America and are known for their striking red coloration.
The body of the Serpae Tetra is flat and tall, with a black comma-shaped spot just behind the gills.
The dorsal fin is edged with white and predominantly black, while the other fins are red.
Its anal fin is edged in black with a splash of white at the leading tip.
These colors may fade as the fish ages. The Serpae Tetra is a peaceful fish but can become mildly aggressive when among slow-moving species.
33. Panda Corydora
This unique fish is native to South America and gets its name and distinct coloration from the giant panda.
The body of the panda cory is off-white to faint pink in color, with three prominent deep black markings.
The first begins at the top of the head and covers the eyes, much like the black markings around the eyes of a giant panda.
Additionally, the second black marking covers the dorsal fin, and the third is at the base of the tail, known as the caudal peduncle.
The size of this third spot at the base of the tail varies and has given rise to the big spot and small spot.
34. Glowlight Tetra
The Glowlight Tetra is a beautiful and easy to care for fish that originates from the rivers of Guyana.
This little Tetra is a peaceful community fish that does well in a wide array of aquarium environments.
Plus, because they are schooling fish, it is best to keep at least six Glowlight Tetras together. They are small and slender, only reaching an adult size of 1.5 inches in length.
Their bodies are a translucent silvery-peach color with an iridescent red-gold stripe running from their snout to their tail.
These little fish are social creatures and do best when kept in groups with other small peaceful fish.
35. Pea Puffer
Looking for an amazing and unique fish for your home aquarium? Look no further than the pea puffer!
These incredible creatures are known for their independent eyes, ability to inflate like a water balloon, and impressive helicopter-like maneuverability.
In this care guide, we answer all of your most frequently asked questions about keeping these amazing oddballs in your aquarium.
Given their territorial nature, many people find success keeping just one pea puffer in a five-gallon aquarium.
If you want to keep more than one, the general rule of thumb is to provide five gallons of water for the first puffer and three gallons of additional water for each additional puffer.
36. Swordtail
Looking for a freshwater fish that is both beautiful and low-maintenance? Say hello to the swordtail fish! These fish are perfect for beginners due to their easy-care nature.
The most defining feature of the swordtail fish is the male’s caudal fin, which has a lower lobe that is elongated and creates a sword-like protrusion.
Swordtail fish typically grow to be around 5.5 inches in length and have a lifespan of three to five years.
When it comes to swordtail fish care, they are very adaptable and don’t require much, making them easy to keep healthy!
They thrive in a wide range of environments and conditions, so you can be sure your swordtail fish will be happy.
37. German Blue Ram
Introducing the German blue ram, a freshwater fish that is sure to add beauty and some fun to your home aquarium!
This little fish is big on personality and color, with gorgeous blue spots all over its body.
The German blue ram is a peaceful fish that gets along well with others, making it a great community tank member.
Although they are relatively easy to care for, these fish are sensitive to water fluctuations so it’s important to keep a close eye on water quality.
With proper care, adult German blue rams will grow 2 to 3 inches in length, although they can reach up to 4 inches in the wild.
These beautiful fish make a great addition to any home aquarium!
38. Buenos Aires Tetra
Looking for a hardy and low-maintenance fish for your aquarium? Look no further than the Buenos Aires Tetra!
These fish are easy to care for and make a great addition to any community tank. They are also one of the larger tetras, growing up to three inches in size.
Buenos Aires tetras are silver with a blue line running down their body.
This line is most noticeable behind the gill and extends to the tail fin, where there is a black diamond-shaped spot.
These fish are social creatures that prefer to swim in schools, so be sure to add at least six to your tank.
They are generally peaceful but may nip at the fins of longer-finned fish.
39. Hatchetfish
If you’re looking for a fish that’s both beautiful and unique, the hatchetfish is a perfect choice!
These little freshwater flying fish are named for their peculiar shape.
From the side, they look like triangles that are rounded only at the bottom, not unlike the shape of a hatchet.
Hatchetfish are also shoaling fish, which means they like to be kept in a group of 10 or more.
In nature, hatchetfish make long, gliding flights using their powerful “wing-like” fins to fly over the top of the water.
In captivity, these beautiful fish can live in a home aquarium but will not attempt to fly.
40. Congo Tetra
Looking for a fish that is sure to impress both your friends and family? Look no further than the Congo tetra!
This vibrant fish is native to the Congo River region in Africa and features a rainbow of colors that are sure to catch anyone’s eye.
Not only is the Congo tetra beautiful to look at, but it is also an active swimmer that loves to play.
Congo tetras are also schooling fish, so they do best when kept in groups of at least six. If you’re looking for a fish that is both beautiful and fun to watch, the Congo tetra is the perfect choice!
41. Beacon Fish
The Beacon Fish is a freshwater fish that is best known for its coppery spots that look like taillights.
This fish is native to rivers and streams in South America, and it is a peaceful schooling fish.
The Beacon Fish does not need a large tank, but it does need plenty of open swimming space and subdued mood lighting to keep it content.
Adults of this species reach a length of approximately two inches (5 centimeters).
The body of the Beacon Fish is iridescent silver in color and, like many other tetras, is oval in shape.
To see this little fish shine, set up a biotope tank with real or artificial plants. Floating or tall plants that reach the top of the tank provide shade and are great additions to the tank.
42. Convict Cichlid
Looking for a freshwater fish that is both unique and low-maintenance? Then look no further than the convict cichlid!
These beautiful fish are easily recognizable by their black vertical bars and make for a stunning addition to any aquarium.
The best part about convict cichlids is that they are relatively easy to care for, and have an average lifespan of 8 to 10 years.
So if you’re looking for a freshwater fish that is both unique and long-lasting, then the convict cichlid is the perfect choice for you!
43. Red Cherry Shrimp
Looking for a little something extra to add to your community tank? Or maybe you’re in the market for a new starfish for your very own species tank?
Well, look no further than the red cherry shrimp! These little guys are not only super cute, but they’re also great at keeping your tank clean.
They’ll eat up any algae, uneaten food, or even fish poop that they come across.
Since they’re native to the waterways of Taiwan, you can rest assured that they know how to take care of themselves.
Plus, cherry shrimp are perfect for smaller tanks.
They don’t create a huge bioload like brine shrimp, so a five gallon tank is really all you need.
Though they are small, just a gallon of water would be too tight! Give your aquatic friends some swimming space!
44. Firemouth Cichlids
Looking for a fish that will add some color to your freshwater aquarium? The firemouth cichlid might be a great option for you.
This brightly colored fish is easy to care for and hardy, making it a great choice for beginner fish keepers.
Despite its vibrant coloration, the firemouth cichlid is a peaceful fish that generally gets along well with other tank mates.
However, they are very territorial creatures and need plenty of space to swim and establish their own territory.
At times, they can be aggressive fish if they do not have enough space. It’s recommended to keep them in tanks that are at least 50 gallons.
These cichlids are native to Central America and get their name from the bright red coloration that males develop during the spawning season.
45. Clown Loach
The clown loach is a popular aquarium fish that is known for its vibrant colors and active behavior.
This peaceful fish is a great addition to any community tank and will provide hours of enjoyment as you watch it interact with its tank mates.
The clown loach is also an excellent choice for those looking for a natural snail control solution, as it will happily eat any pesky snails that find their way into your aquarium.
If you’re looking for a beautiful and hardy fish that will add both color and personality to your tank, look no further than the clown loach!
46. Marble Hatchetfish
The Carnegiella strigata, or Marble Hatchetfish, is a dazzling addition to any aquarium.
Thanks to its unique shape and iridescent colors, the Marble Hatchetfish is a popular choice among fish enthusiasts.
The sleek body and upturned mouth of the Marble Hatchetfish are reminiscent of true surface feeders, while the pectoral fins are set high on the body, giving it a graceful appearance.
The native South Americanhatchetfish is a peaceful creature that prefers to school with other fish.
However, because they are known to jump out of the water, it is important to have a well-sealed aquarium hood to prevent escape.
The beautiful Carnegiella strigata makes a stunning addition to any home aquarium.
47. Upside-Down Catfish
Looking for an unusual and eye-catching addition to your aquarium? Then look no further than the upside-down catfish!
These unique little fish are aptly named for their upside-down swimming posture, which makes them stand out from the other fish in your tank.
However, their interesting appearance is just one of the reasons why they make such great pets.
The upside-down catfish is also known as the blotched upside-down catfish because of its spotted appearance.
They are an extremely popular species that have been admired for countless centuries; their images have even been found in ancient Egyptian art.
Considered a dwarf catfish, Synodontis nigriventris reach an adult size of only three to four inches.
48. Bichir
Looking for a fish that will add a unique and prehistoric feel to your tank? Look no further than the bichir!
These ray-finned fish have been around for millions of years and make a great addition to any freshwater aquarium.
There are a few different types of bichirs, each with its own color and pattern.
With an average lifespan of 10-15 years in captivity, they make a great long-term investment for any fish lover.
Plus, with perfect care, they could even live up to 20 years!
So if you’re looking for an ancient and unique fish to add to your collection, the bichir is the perfect choice.
49. Rosy Barb
The Rosy Barb is a beautiful, brightly colored fish that makes a great addition to any aquarium.
These active, peaceful fish are easy to care for and make great companions for other fish.
Rosy barbs grow up to six inches in the wild, but in captivity, they will usually only grow to be about four inches long.
These barbs are schooling fish and do best when they are kept in groups of at least five.
It is important to provide plenty of space for your Rosy Barb school to swim and explore, as these fish are very active.
Additionally, because Rosy Barbs have a tendency to nip the fins of other fish, it is best to keep them with other fish that are similar in size and temperament.
50. Cockatoo Cichlid
These fish are named for their resemblance to the famous bird, and they are known for being generally peaceful creatures.
Commercially bred cockatoo cichlids are selectively bred to showcase a stunning orange hue on the rear of their dorsal fins and tails.
These stunning fish make a great addition to any aquarium, and they are sure to bring beauty and enjoyment to all who see them.
51. Jack Dempsey Cichlid
This cichlid is a beautiful and popular aquarium fish that is perfect for intermediate to advanced hobbyists.
However, they can become territorial when they are breeding.
They have grey bodies with black lines that trace the length of the fish starting at the eye.
52. Green Texas Cichlid
Looking for a fish that’s a little bit different from the standard fare? Then you’ll want to check out the Green Texas Cichlid!
This beautiful freshwater fish is a great choice for any experienced aquarist.
With their stunning looks and fascinating behavior, these fish are sure to make a splash in your tank!
The Green Texas Cichlid is a member of the cichlid family and shares many of the same features as other cichlids.
They have a wide, expansive body and a large dorsal fin. Their lips are thick and fleshy, and they have a bright, vibrant coloration.
The base color of the Green Texas Cichlid is green, with yellow or neon green spots.
53. Odessa Barb
Looking for a fish that will add some excitement to your aquarium? Look no further than the Odessa Barb!
Also known as the Scarlet Barb, this beautiful fish is sure to brighten up any tank.
The female Odessa Barb is silver and pink with a black spot above the pectoral fin.
Meanwhile, the male is black to silver with a striking bright red stripe running horizontally from the head to the tail.
Not only are they visually stunning, but Odessa Barbs are also very active and lively fish that prefer to be in schools.
They make a great addition to any well-planted tank of at least 30 gallons and will do best in soft, slightly acidic water.
54. Asian Stone Catfish
The Asian stone catfish is a beautiful and peaceful addition to any aquarium.
These nocturnal fish are mostly inactive, but their long pectoral spines and Anchor-like shape make them unique among other species of the same size.
The Asian stone catfish is easy to care for and does not require a large tank, making it a great choice for beginners or those with limited space.
However, it is important to provide the right conditions for these delicate fish before adding them to your home aquarium.
With proper care, the Asian stone catfish will thrive in your aquarium and provide you with hours of enjoyment.
55. Diamond Tetra
The Diamond Tetra is a must-have for any freshwater aquarium.
These beautiful fish are easy to care for and a lot of fun to watch, making them a great choice for beginners and experienced aquarists alike.
Diamond tetras are known for their unique body shape, which is laterally compressed, and are slightly larger fish than most other tetras. Adults typically reach a length of 2 to 2.4 inches.
These lively little fish are a joy to watch as they swim around your aquarium.
Their striking blue and green scales shimmer in the light, making them a real eye-catcher.
56. White Skirt Tetra
Looking for an addition to your freshwater aquarium that is easy to care for and visually striking? Look no further than the white skirt tetra!
This robust fish is peaceful and easy to breed, making it a great choice for beginner fish keepers.
White skirt tetras can live up to seven years and grow to a mature size of two inches, making them a perfect mid-sized fish for most community tanks.
While you may find artificially colored varieties available from some breeders, be aware that these fish are more likely to have health issues and lose their color over time.
So why not choose the real thing and add some beautiful white skirt tetras to your aquarium today?
57. Bloodfin Tetra
Looking for a beautiful, easy-to-care-for freshwater fish to add to your aquarium? Look no further than the Bloodfin Tetra!
These visually striking fish are part of the characin family and are known for their vibrant colors.
Bloodfin Tetras typically range in color from silver to gold, with some individuals sporting dark fins that are accented with red highlights.
These fish are relatively small, but their large fins give them a graceful look that is sure to complement any aquarium.
Bloodfin Tetras are generally very peaceful fish and do well when kept in groups.
They prefer to school together and will often playfully chase each other around the tank.
They are large fish, so make sure to give them the space they need!
58. Redeye Tetra
The redeye tetra is a beautiful fish that is perfect for adding a touch of glamour to your freshwater community aquarium.
This fish is silver with a black tail and red eyes, and it has a very elegant look when kept in a school of six or more.
It is also a good choice as a beginner fish because it is very tolerant of different water conditions and changes.
The redeye tetra should ideally be housed in a 20-gallon or larger aquarium, and it is a peaceful fish that gets along well with other fish.
59. Raphael Catfish
The Raphael Catfish is a two-foot-long, freshwater fish that is native to the Amazon Basin.
The Raphael Catfish has a torpedo-like shape with a wide head and stripes that run along the length of its body.
It is a bottom-dweller and is known to live for 10 years in captivity.
Plus, it is an interesting addition to any freshwater aquarium!
60. Glass Catfish
Looking for something different in a fish? Check out the Glass Catfish!
These amazing creatures are native to Thailand and are characterized by their see-through skin which lets you see their bones and organs.
They’re a peaceful bunch, and will mostly stay in the middle of the water column, but they’re not afraid to venture out and explore their surroundings.
The Glass Catfish is a great addition to any peaceful community tank, and will surely be a conversation starter with your friends and family.
Getting a glass catfish is always a good idea. So come on down and take a look at these one-of-a-kind fish today!
61. Golden Wonder Killifish
The Golden Wonder Killifish is the perfect addition to any community aquarium.
Hardy and flexible, these little fish are easy to care for and will add some much-needed color and activity to your tank.
They prefer tall plants and floating vegetation to hide in and don’t do well with strong water movement, making them ideal tank mates for more sedate fish.
Although they can be a bit jumpy, Golden Wonder Killies are generally peaceful, although males may be territorial with each other.
These pretty fish come in a variety of colors and patterns and make a beautiful addition to any aquarium.
62. American Flagfish
Looking for a little something extra to add to your aquarium? Meet the American Flagfish!
It is a small, but mighty fish that is sure to make a big impact in your tank!
These feisty fish are known for their vibrant colors and patterning, which is why they make such a beautiful addition to any aquarium.
Don’t be fooled by their pretty exterior! These fish are also hardy and adaptable, meaning they can thrive in a variety of different settings.
Whether you have a large or small tank or a small aquarium, the American Flagfish is the perfect choice for those who want to add a little personality to their underwater world.
So what are you waiting for? Add an American Flagfish to your tank today!
63. Indian Glassfish
The Indian Glassfish is a beautiful and unique freshwater fish that is perfect for any aquarium.
These fish are very hardy and can live in most freshwater environments.
One particular note about them is that, due to their transparent flesh, they are often injected with fluorescent dye.
The result is a fish with fluorescent dots floating in its body.
64. Peacock Gudgeon
Looking for a freshwater fish that is both beautiful and easy to care for? Then the Peacock Gudgeon is the perfect fish for you!
These vibrant little fish are perfect for adding a splash of color to any aquarium, and they are relatively easy to care for.
With an average lifespan of 4-5 years, the Peacock Gudgeon is a great choice for beginner aquarists or those looking for a low-maintenance pet.
The Peacock Gudgeon is native to Australia, where they can be found in slow-moving streams and rivers.
They get their name from their beautiful colors and patterns, which can range from deep blue to bright green.
65. Bolivian Ram
Looking for a colorful, peaceful fish to add to your aquarium? Look no further than the Bolivian ram!
With its striking colors and easygoing personality, this fish is a great addition to any community tank.
From yellow to red and silvery blue, the Bolivian ram will definitely stand out in your aquarium.
Additionally, because it’s a peaceful fish, you don’t have to worry about it bothering any other fish in your tank.
Fully grown, the Bolivian ram reaches around 3.5 inches in length.
It has an elongated oval-shaped body and ray-finned fins and tails, which is a typical characteristic of this type of fish.
Final Thoughts
There you have it, 65 of the best fish for freshwater aquarium tanks!
With so many different options to choose from, you’re sure to find the perfect fish for your tank.
Whether you’re looking for an active fish, a colorful addition, or a low-maintenance pet, there’s definitely a fish on this list that will fit your needs.
So what are you waiting for? Start shopping for your new fish today!
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