Harlequin rasbora
Hardy, peaceful and forgiving of beginner mistakes.

Care at a glance
| Minimum tank | 10 gallons (38 L) |
|---|---|
| Temperature | 72–80°F (22–27°C) |
| pH | 6.0–7.5 |
| How many | Keep at least 6 together |
| Adult size | 1.8 in (4.6 cm) |
| Where it lives | The middle of the tank |
| Type | Fish |
Good tank mates
- Neon tetra
- Cardinal tetra
- Ember tetra
- Chili rasbora
- Zebra danio
- Guppy
- Platy
- Betta (male)
- Dwarf gourami
- Bronze corydoras
- Pygmy corydoras
- Otocinclus
- Bristlenose pleco
- Kuhli loach
- Angelfish
- Tiger barb
- Cherry barb
- Cherry shrimp
- Amano shrimp
- Nerite snail
- Black skirt tetra
- Glowlight tetra
- Rummynose tetra
- Black neon tetra
- Lemon tetra
- Serpae tetra
- Bleeding heart tetra
- Congo tetra
- Diamond tetra
- X-ray tetra
- Green neon tetra
- Marbled hatchetfish
- Scissortail rasbora
- Lambchop rasbora
- Celestial pearl danio
- Giant danio
- Rosy barb
- Gold barb
- Denison barb
- Rainbow shark
- Red-tailed black shark
- Siamese algae eater
- Hillstream loach
- Swordtail
- Endler's livebearer
- Pearl gourami
- Honey gourami
- Three-spot blue gourami
- Sparkling gourami
- Paradise fish
- Female betta
- German blue ram
- Bolivian ram
- Cockatoo dwarf cichlid
- Kribensis
- Firemouth cichlid
- Electric blue acara
- Panda corydoras
- Peppered corydoras
- Sterbai corydoras
- Clown loach
- Yoyo loach
- Dwarf chain loach
- Clown pleco
- Common pleco
- Rubber lip pleco
- Glass catfish
- Chinese algae eater
- Boeseman's rainbowfish
- Dwarf neon rainbowfish
- Threadfin rainbowfish
- Golden wonder killifish
- Clown killifish
- Dojo loach
- Japanese rice fish
- Mystery snail
- Ramshorn snail
- Assassin snail
- Ghost shrimp
- Bamboo shrimp
- Crystal red shrimp
- Dwarf orange crayfish
- African dwarf frog
Possible with care
Do not mix with
Open any pairing to see the reason.