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Bosemani Rainbow Fish

Bosemani Rainbow Fish

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The Boeseman's rainbowfish is an active, peaceful species and will not pursue smaller tankmates, that and their mouth and throat is too little to be able to swallow them.


These Rainbowfish can be quite nervous and do far better when kept in a shoal of 6 or more. The males will also be inspired to display their best colours in the company of the same species. They can also adapt to most water conditions and are stunning fish making them relatively popular in the community tank.


They have extended deep bodies, an arched back, two dorsal fins, a narrow head and relatively large eyes. The front half of the fish sports deep indigo blue or purple colour and the back half of the males display fiery red with orange and yellow highlights. The two colours then meet in the middle of the body with a few dark greens to blackish vertical stripes. The fins are generally opaque and yellow and edged in white.

Quick Facts
Scientific Name Melanotaenia Boesemani
Other Names Boesemani Rainbowfish
Classification Actinopterygii
Order Atheriniformes
Family Melanotaeniidae
Genus Melanotaenia
Origins Indonesia, Papua New Guinea
Temperament Peaceful
Aquarium Level Middle - Top
Difficulty Beginner
Shoaling Yes
Best kept as Groups 6+
Diet Omnivore
Reproduction Egg-Scatterer
Lifespan 6 - 8 years
Water Parameters
Water Type Freshwater
PH 6.5 - 8.0
GH 10 - 20
79 - 86℉
26.1 - 30℃