Melanotaenia exquisita

A smaller rainbowfish from rocky upper streams; populations differ in appearance.

Adult length

Up to 7.5 cm (standard length, without the tail fin)

Water temperature

24–30 °C

Natural habitat

Inhabits clear streams with cascades and rapids, often pools below waterfalls, while also using quieter stream reaches and lake waters.

The size of juveniles offered for sale is not adult size.