Boeseman's Rainbowfish

Melanotaenia boesemani

A two-tone stunner — blue front, orange rear — that needs a group and swimming room.

Water

Freshwater

Temperature

75–86°F

pH

7–8

Hardness

8–20 dGH

Max size

4.5 in

Min tank

40 gal

Temperament

Peaceful

Social

Schooling (6+)

Swim level

All

Diet

Omnivore

Care level

Intermediate

Lifespan

5-8 years

Breeding

Egg-scatterer

Suitability

Common

Origin

West Papua (Ajamaru Lakes)

Mature males develop a dramatic split of bright blue and orange, intensifying as they display to each other. Rainbowfish color up slowly, so don't judge juveniles in the shop.