The Blue-Medaka is a unique and striking fish native to Japan. It has a deep blue body with bright yellow fins, giving it a striking, eye-catching appearance. Its habitat consists of slow-moving rivers and swamps, where it feeds on small insects and invertebrates. The Blue-Medaka is particularly popular among aquarists, as it is an easy fish to care for and can reach a length of up to four inches. Its peaceful and non-aggressive nature makes it a good choice for community tanks, and its bright colors add a splash of vibrancy to any aquarium.