What size tank do celestial pearl danios need?
At least 10 gallons (38 liters) for a group of 6. The smallest standard tank that works is the 10 gallon. A bigger tank is always easier to keep stable. We give the size for an adult fish in a proper group, because the small fish in the shop will grow. Scientific name: Danio margaritatus.
How many celestial pearl danios in each tank size?
This is how many each standard tank carries comfortably if celestial pearl danios are the only fish in it. Share the tank with other species and the number goes down.
| Tank | How many celestial pearl danios |
|---|---|
| 5 gallon | Too small |
| 10 gallon | up to 11 |
| 20 gallon long | up to 22 |
| 29 gallon | up to 33 |
| 40 gallon breeder | up to 45 |
| 55 gallon | 60 or more |
| 75 gallon | 60 or more |
| 125 gallon | 60 or more |
Check celestial pearl danios against your own tank and other fish
Good to know
- Keep at least 6. Alone or in twos and threes, celestial pearl danios hide, stop eating well, or pick on each other.
Tank mates for celestial pearl danios
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.
- Guppy
- Pygmy corydoras
- Honey gourami
- Panda corydoras
- Otocinclus
- Clown killifish
- Endler's livebearer
- Zebra danio
Poor matches
- Angelfish: Angelfish (about 6 in) can eat celestial pearl danio (about 1 in).
- Fancy goldfish: Goldfish do best with other fancy goldfish.
- Oscar: Oscar is aggressive and will bully or kill peaceful fish such as celestial pearl danio.
- Molly: Molly (about 4 in) can eat celestial pearl danio (about 1 in).
Questions and answers
What size tank do celestial pearl danios need?
At least 10 gallons (38 liters) for a group of 6. The smallest standard tank that works is the 10 gallon. A bigger tank is always easier to keep stable.
How many celestial pearl danios should be kept together?
At least 6. Celestial pearl danios are social animals and only behave naturally in a group. More is better if the tank has room.
Can celestial pearl danios live in a 10 gallon tank?
Yes. A 10 gallon tank carries up to about 11 as the only fish in the tank.
What temperature do celestial pearl danios need?
70–79 °F (21–26 °C), with a pH of 6.5–7.5. A heater is only needed if your room gets cold.
Can celestial pearl danios live with a betta?
Usually, yes, in a tank of 10 gallons (38 liters) or more. They like the same water: 75–79 °F (24–26 °C). Every betta has its own temper, so watch closely for the first week and have a spare tank ready.
More fish
- Marbled hatchetfish
- Harlequin rasbora
- Chili rasbora
- Zebra danio
- White Cloud Mountain minnow
- Cherry barb
- All 81 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.