All species

Zebra danio

Danio rerio

Also called zebrafish, zebra fish, danio.

What it needs

Grows to
5 cm
Smallest sensible tank
75 L, at least 60 cm long
Temperature
18 to 26 °C
pH
6.5 to 7.5
Hardness
5 to 19 dGH
Kept in
groups of 6 or more
Temperament
peaceful
Eats
omnivore
Swims
near the surface
How hard
easy

These are the figures the stocking advice is built on. Make a room and it will tell you whether zebra danio fit the tank you have.