Betta (male)
One male per tank, with gentle flow and a heater.

Care at a glance
| Minimum tank | 5 gallons (19 L) |
|---|---|
| Temperature | 76–82°F (24–28°C) |
| pH | 6.5–7.5 |
| How many | Male bettas fight each other. Keep one per tank. |
| Adult size | 2.5 in (6.4 cm) |
| Where it lives | Near the top |
| Type | Fish |
Good tank mates
- Neon tetra
- Cardinal tetra
- Ember tetra
- Harlequin rasbora
- Chili rasbora
- Platy
- Bronze corydoras
- Pygmy corydoras
- Otocinclus
- Bristlenose pleco
- Kuhli loach
- Cherry barb
- Amano shrimp
- Nerite snail
- Glowlight tetra
- Rummynose tetra
- Black neon tetra
- Lemon tetra
- Bleeding heart tetra
- Congo tetra
- Diamond tetra
- X-ray tetra
- Marbled hatchetfish
- Scissortail rasbora
- Lambchop rasbora
- Celestial pearl danio
- Giant danio
- Rainbow shark
- Red-tailed black shark
- Siamese algae eater
- Swordtail
- Endler's livebearer
- German blue ram
- Bolivian ram
- Cockatoo dwarf cichlid
- Severum
- Discus
- Sterbai corydoras
- Clown loach
- Yoyo loach
- Dwarf chain loach
- Clown pleco
- Common pleco
- Rubber lip pleco
- Pictus catfish
- Glass catfish
- Boeseman's rainbowfish
- Dwarf neon rainbowfish
- Threadfin rainbowfish
- Golden wonder killifish
- Clown killifish
- Mystery snail
- Ramshorn snail
- Assassin snail
- Bamboo shrimp
- Dwarf orange crayfish
Possible with care
- Zebra danio
- Molly
- Angelfish
- Cherry shrimp
- Green neon tetra
- Rosy barb
- Denison barb
- Sailfin molly
- Kribensis
- Firemouth cichlid
- Electric yellow lab
- Peacock cichlid
- Shell dweller
- Electric blue acara
- Panda corydoras
- Peppered corydoras
- Chinese algae eater
- Bala shark
- Dojo loach
- Ghost shrimp
- Crystal red shrimp
- African dwarf frog
Do not mix with
- White cloud minnow
- Guppy
- Dwarf gourami
- Tiger barb
- Fancy goldfish
- Black skirt tetra
- Serpae tetra
- Gold barb
- Hillstream loach
- Pearl gourami
- Honey gourami
- Three-spot blue gourami
- Sparkling gourami
- Paradise fish
- Female betta
- Convict cichlid
- Oscar
- Jack Dempsey
- Pea puffer
- Common goldfish
- Japanese rice fish
Open any pairing to see the reason.