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Boesemani Rainbowfish

Melanotaenia boesemani

The most colourful rainbowfish — males display a striking half-blue half-orange body that intensifies with age. Morning display behaviour is legendary — males flair at dawn to impress females.

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Quick Facts

Max Size4.5"
Lifespan5–8 years
Min Tank40 gal
DietOmnivore
SchoolingYes (6+)
OriginOceania

Water Parameters

Temperature2630°C
pH Range78

Natural Habitat

Ajamaru Lakes in the Vogelkop Peninsula of Western Papua, Indonesia. Hard, alkaline water.

Region

Papua (Indonesia)

Countries

Indonesia

Feeding

Omnivorous — flake, pellets, frozen foods. Benefits from colour-enhancing foods.

Compatible Tank Mates

Good Matches

Other RainbowfishCorydorasLarger TetrasLoachesBristlenose Pleco

Avoid

Very small fishSlow-moving speciesAggressive cichlids

Breeding

Egg scatterer among fine-leaved plants or spawning mops. Daily spawning over extended periods. Eggs hatch in ~7 days.

Care Tips

Colours develop over months — juveniles look dull

Morning display behaviour is spectacular

Need open swimming space — active fish

Endangered in the wild — support captive breeding

Males look completely different from juveniles — patience required

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