Blue Turquoise Rainbow

About This Species

Blue 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. Native to Lake Kutubu in Papua New Guinea, Melanotaenia lacustris thrives in clear, well-oxygenated water. These fish are built for movement — const...

Care Guide

Geographic Origin

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