All species

Pea puffer

Carinotetraodon travancoricus

Also called dwarf puffer.

Wants live snails and a tank of its own. A nipper, whatever the shop says.

What it needs

Grows to
3.5 cm
Smallest sensible tank
40 L, at least 45 cm long
Temperature
22 to 28 °C
pH
6.5 to 7.5
Hardness
5 to 15 dGH
Kept in
on its own
Temperament
semi-aggressive
Eats
snails and frozen
Swims
at every level
How hard
moderate
Lives
about 4 years

These are the figures the stocking advice is built on. Make a room and it will tell you whether a pea puffer fits the tank you have.