Blue Turquoise Rainbow (Melanotaenia lacustris) Pike Cichlid and small peaceful catfish or

and small peaceful catfish or shrimp

Generally peaceful but territorial with other bottom dwellers:

they need to keep swimming to be able to get oxygen through their gills

Large cold-water catfish

Hard-shelled foods (snails

Blue Turquoise Rainbow (Melanotaenia lacustris) Pike Cichlid and small peaceful catfish orBlue Turquoise Rainbow Melanotaenia lacustris Liquid sapphire in constant motion The Blue Turquoise Rainbow is one of the most striking freshwater schooling fish available. A brilliant metallic blue body shifts into turquoise and aqua tones depending on angle and lighting, creating a liquid, iridescent effect as the fish turns. Mature males develop deeper coloration and a taller, more pronounced body shape, especially when displaying to females.