All species

Pygmy corydoras

Corydoras pygmaeus

What it needs

Grows to
3 cm
Smallest sensible tank
40 L, at least 45 cm long
Temperature
22 to 26 °C
pH
6 to 7.5
Hardness
2 to 12 dGH
Kept in
groups of 8 or more
Temperament
peaceful
Eats
omnivore
Swims
near the bottom
How hard
easy

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