Top 51 Most Popular Fish for Aquarium World

Most Popular Fish for Aquarium World – There are a large number of fish species here. Among them, we have selected some fish communities. It’s hard to know where to start! The ideal fish you are looking for is a peaceful fish that is the right size for your planned tank. You may be looking for a large fish, or perhaps a small fish. So We have listed some of the best community fishes (along with Some Helpful Information About Each )

Top 51 Most Popular Fish for Aquarium World

Here is a list of the 51 most popular fish species for freshwater aquariums:

  1. Betta (Siamese fighting fish)
  2. Neon Tetra
  3. Guppy
  4. Angelfish
  5. Zebra Danio
  6. Molly
  7. Platies
  8. Swordtail
  9. Dwarf Gourami
  10. Cherry Barb
  11. Harlequin Rasbora
  12. Corydoras Catfish
  13. Bristlenose Pleco
  14. Kuhli Loach
  15. German Blue Ram
  16. Bolivian Ram
  17. Goldfish
  18. Rosy Barb
  19. Rainbowfish
  20. Bloodfin Tetra
  21. Black Skirt Tetra
  22. White Cloud Mountain Minnow
  23. Tiger Barb
  24. Pearl Gourami
  25. Clown Loach
  26. Electric Blue Acara
  27. Killifish
  28. Cardinal Tetra
  29. Keyhole Cichlid
  30. Celestial Pearl Danio (Galaxy Rasbora)
  31. Otocinclus Catfish
  32. Discus
  33. Convict Cichlid
  34. Jack Dempsey Cichlid
  35. Blue Gourami
  36. Black Ghost Knifefish
  37. African Dwarf Frog
  38. Siamese Algae Eater
  39. Kribensis Cichlid
  40. Cherry Shrimp
  41. Amano Shrimp
  42. Rasbora Hengeli
  43. Threadfin Rainbowfish
  44. Firemouth Cichlid
  45. Bala Shark
  46. Paradise Fish
  47. Black Molly
  48. Red-tailed Black Shark
  49. Golden Barb
  50. Boesemani Rainbowfish
  51. Peacock Gudgeon

Betta Fish (Siamese fighting fish)

Here are some facts and needed thing about betta fish


  • Betta fish have special attractive and long, flowing feathers that come in a variety of colors and patterns.
  • The most common colors are red, blue, black, white and turquoise, yellow.


  • Originally from Southeast Asia, betta fish are native to Thailand, Cambodia, and Vietnam.
  • They are adapted to living in shallow, stagnant water such as rice fields, ponds, and slow-moving rivers.
  • In the wild, betta fish can survive in oxygen-depleted environments due to their ability to breathe air from the floor using a specialized organ called the labyrinth organ.


  • Betta fish are known for their territorial nature, especially males.
  • Male bettas are particularly aggressive and often fight with individual males, which is why they are often referred to as “Siamese fighting fish”.
  • And on the other hand, female betta fish can co-exist peacefully in small regular groups.


Tank Size:

  • Betta fish require a tank that is at least 5 gallons in size.

Water temperature:-

  • Betta fish are tropical fish and prefer a water temperature between 75°F and 82°F (24°C to 28°C).
  • It is necessary to use a heater to maintain a constant temperature in the aquarium.

Water Quality:-

  • Betta fish are sensitive to poor water conditions.
  • Regular water changes, filtration, and monitoring of ammonia and nitrate ranges are essential to maintaining proper water quality.
  • A mild filter and a water conditioner are recommended to remove chlorine and chloramines.


  • Betta fish are carnivores and require a diet rich in protein.
  • High-quality betta pellets or flakes specially formulated for betta fish are available at pet stores.
  • Providing them with treats such as freeze-dried or frozen bloodworms and brine shrimp from time to time is also really helpful.


  • Providing hiding places, living or silk plants and small caves in the aquarium help create an enriching environment for betta fish.
  • They admire places to discover and relax.
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