Kohaku Medaka
changeappearance
changeThe tail fin is a feature of becoming orange, and to enjoy more beauty, a black background tank is recommended. There are also hikari type and Dharma type, all shapes are very beautiful.
Living Area
changeAquaculture
Food and Water
changeMouth and Gills
reproduction
changeEggs are round and transparent with a diameter of 1 mm.There are short hairs on the surface.The timing of hatching varies depending on water temperature.
threts
changeThe deterioration of the environment due to the use of agricultural chemicals and domestic wastewater, the decrease of gentle flow of streams due to revetment construction and waterway improvement, and the influence by foreign species (such as bluegill and kadayashi) with strong fertility are cited.
Relationship with humans
changeIn recent years aquaculture has also been done, but this is not a wild medaka