• 2020年3月4日

Red Medaka (Hi-Medaka) Care Guide | Water Temperature, Tankmates & Breeding Explained

A soft, translucent orange glow shimmering just below the surface — that’s the unmistakable look of the Red Medaka (Hi-Medaka). The little orange fish you watched in school science class, the one swimming around the goldfish-scooping booth at a summer festival, the first pet your parents ever bought you — when most people picture a “Medaka,” chances are it’s the Red Medaka that comes to mind. The Red Medaka is a selectively bred color variety of Japan’s native ricefish (scientific name: Oryzias latipes), a species in the family Adrianichthyidae (order Beloniformes). Its signature orange coloration appears because the black pigment has been bred out, letting the underlying orange and yellow pigments take center stage. Wild Medaka carry black, yellow, and orange pigment cells; when the […]