All species

Peacock gudgeon

Tateurndina ocellicauda

Also called peacock goby.

Caves and a quiet tank. Pairs off and guards a hole.

What it needs

Grows to
6 cm
Smallest sensible tank
75 L, at least 60 cm long
Temperature
22 to 28 °C
pH
6 to 7.5
Hardness
5 to 15 dGH
Kept in
groups of 2 or more
Temperament
peaceful
Eats
omnivore
Swims
at every level
How hard
easy
Lives
about 5 years

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