Boeseman's Rainbowfish

Melanotaenia boesemani

A showpiece rainbowfish, blue-purple in front fading to fiery orange behind.

Water

Freshwater

Temperature

75–86°F

pH

7–8

Hardness

8–20 dGH

Max size

4 in

Min tank

30 gal

Temperament

Peaceful

Social

Schooling (6+)

Swim level

Mid-top

Diet

Omnivore

Care level

Beginner

Lifespan

5-8 years

Breeding

Egg-scatterer

Suitability

Common

Origin

New Guinea (West Papua)

Mature males develop jaw-dropping two-tone color, brightest in a group with rivals to display to. Hardy and active, needing open swimming room and slightly hard, alkaline water. Color intensifies with age and good diet.