Pseudomugil signifer

Resembles a miniature Celebes rainbowfish.

Resembles a miniature Celebes rainbowfish. Males display frequently and compete with each other. It does not have to be kept with only one male.

Adult length

About 3.5 cm (standard length, without the tail fin)

Water temperature

23–28 °C

Lifespan

2–3 years

pH

6.5–7.5

Hardness

12–15 dGH

Natural habitat

Inhabits clear streams and coastal mangrove waters, from freshwater forest creeks to tidal creeks and brackish estuaries.

Males compete; watch chasing especially closely in small spaces. Hard water and a little salt suit it.