Merry widow

A deep silver-blue body and long male gonopodium; markings vary.

This male shows faint bars and a dark dorsal margin. Eye stripe and fin colour change with surroundings and state.

Adult length

Up to 7 cm (standard length, without the tail fin)

Water temperature

24–27 °C

pH

6–8

Hardness

9–19 dGH

Natural habitat

Mainly inhabits standing water, creeks and shallow river margins over soft mud or leaf litter.

Females reach about 5 cm. Keep at 24–27°C and pH 6–8, with GH up to 25 dGH.