All species

Boesemani rainbowfish

Melanotaenia boesemani

What it needs

Grows to
11 cm
Smallest sensible tank
200 L, at least 100 cm long
Temperature
24 to 30 °C
pH
7 to 8
Hardness
8 to 20 dGH
Kept in
groups of 6 or more
Temperament
peaceful
Eats
omnivore
Swims
at every level
How hard
easy

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