Betta Fish
Betta Fish is a semi-aggressive freshwater fish that needs a tank of at least 5 gallons (19 L), water at 76-82°F (24-28°C) and a pH of 6.5-7.5.
Full care guide for Betta Fish
Also searched as: betta, siamese fighting fish
Quick facts
Keep alone or with very docile tank mates. No fin-nippers.
| Minimum tank | 5 gallons (19 L) |
|---|---|
| Temperature | 76-82°F (24-28°C) |
| pH | 6.5-7.5 |
| Temperament | Semi-aggressive |
| Swim level | Top |
| Group size | Can be kept singly |
| Tank type | Freshwater |
Good tank mates
Ranked by water overlap and temperament, using the same checks as the MyAquaLog compatibility tool.
- Plecostomusmin tank 30 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Bladder Snailmin tank 5 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Ghost Shrimpmin tank 5 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Horned Nerite Snailmin tank 5 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Orange CPO Crayfishmin tank 5 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Both species may compete; monitor for aggression.
- Pond Snailmin tank 5 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Apple Snailmin tank 10 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
- Flame Tetramin tank 10 gal
Temperature overlap 76-82°F, pH overlap 6.5-7.5. Semi-aggressive species may stress peaceful fish.
Avoid with
Pairings that fail the temperament, water-overlap or known-conflict checks.
- Paradise Fishmin tank 20 gal
High risk of conflict between semi-aggressive and aggressive species.
- Goldfishmin tank 20 gal
No temperature overlap (76-82°F vs 65-72°F).
- Guppymin tank 5 gal
Betta Fish may not be compatible with Guppy.
- Dwarf Gouramimin tank 10 gal
Betta Fish may not be compatible with Dwarf Gourami.
- Angelfishmin tank 30 gal
Betta Fish may not be compatible with Angelfish.
Betta Fish pairing checks
One-to-one checks against other popular species, with the reasons for each verdict.
- Amano Shrimp with caution
- Angelfish no
- Bristlenose Pleco with caution
- Cardinal Tetra with caution
- Cherry Shrimp with caution
- Corydoras Catfish with caution
- Discus no
- Dwarf Gourami no
- Goldfish no
- Guppy no
- Harlequin Rasbora with caution
- Kuhli Loach with caution
- Molly Fish with caution
- Mystery Snail with caution
- Neon Tetra with caution
- Nerite Snail with caution
- Oscar Fish no
- Otocinclus with caution
- Platy with caution
- Plecostomus with caution
- Rummy Nose Tetra with caution
- Siamese Algae Eater with caution
Check your own tank
These lists compare one species against the rest of the database. Your stock list, tank size and bioload change the answer, so log your own tank.
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