Blue rainbowfish (Melanotaenia caerulea) is a ray-finned fish of the family Melanotaeniidae. It inhabits freshwater waters. This species can reach a maximum total length of 6.2 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Vulnerable on the IUCN Red List.
Physical description for Blue rainbowfish is currently being compiled.
Behavioural data for Blue rainbowfish is currently being reviewed.
Diet information for Blue rainbowfish is currently being compiled.
Distinct pairing .
Freshwater; benthopelagic. Tropical
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