What size tank do croaking gouramis need?
At least 14 gallons (54 liters) for a pair. The smallest standard tank that works is the 15 gallon. A bigger tank is always easier to keep stable. We give the size for an adult fish in a pair, because the small fish in the shop will grow. Scientific name: Trichopsis vittata.
How many croaking gouramis in each tank size?
This is how many each standard tank carries comfortably if croaking gouramis are the only fish in it. Share the tank with other species and the number goes down.
| Tank | How many croaking gouramis |
|---|---|
| 5 gallon | Too small |
| 10 gallon | Too small |
| 20 gallon long | 2 |
| 29 gallon | up to 4 |
| 40 gallon breeder | up to 4 |
| 55 gallon | up to 6 |
| 75 gallon | up to 10 |
| 125 gallon | up to 16 |
Check croaking gouramis against your own tank and other fish
Good to know
- Best kept as a pair. A pair will claim a patch of the tank floor and defend it, most of all when they have eggs.
- This is a jumper. Use a lid with no gaps.
Tank mates for croaking gouramis
These animals like the same water, are a safe size, and have a temper that fits. It is a match on paper: always watch new tankmates for the first week.
- Neon tetra
- Lambchop rasbora
- Flame tetra
- Salt and pepper corydoras
- Platy
- Cardinal tetra
- Harlequin rasbora
- Otocinclus
Poor matches
- Fancy goldfish: Goldfish do best with other fancy goldfish.
- Oscar: Oscar is aggressive and will bully or kill peaceful fish such as croaking gourami.
- Molly: They need different water: Croaking gourami likes a pH of 5–7.5, molly likes 7.5–8.5.
Questions and answers
What size tank do croaking gouramis need?
At least 14 gallons (54 liters) for a pair. The smallest standard tank that works is the 15 gallon. A bigger tank is always easier to keep stable.
How many croaking gouramis should be kept together?
At least 2. Croaking gouramis are social animals and only behave naturally in a group. More is better if the tank has room.
Can croaking gouramis live in a 10 gallon tank?
No. Croaking gourami needs at least 14 gallons (54 liters).
What temperature do croaking gouramis need?
72–82 °F (22–28 °C), with a pH of 5–7.5. In most homes that means a heater.
Can croaking gouramis live with a betta?
Usually, yes, in a tank of 14 gallons (54 liters) or more. They like the same water: 75–82 °F (24–28 °C). Every betta has its own temper, so watch closely for the first week and have a spare tank ready.
More fish
- Checker barb
- Moonlight gourami
- Chocolate gourami
- Thick-lipped gourami
- Frontosa
- Demasoni cichlid
- All 150 species
Adult size, tank size and water ranges follow the mainstream care consensus (Seriously Fish species profiles and FishBase maximum lengths). Where sources differ we use the more cautious figure. Stocking numbers come from our stocking calculator.