Musashi ninespine stickleback



The Musashi ninespine stickleback (Pungitius sp.) is an undescribed species of fish in the stickleback genus Pungitius. Endemic to Japan, it occurs only in the Motoara River in Kumagaya, Saitama Prefecture (old Musashi Province). It is the List of prefectural symbols of Japan, its habitat has been designated a prefectural natural monument, and a main belt asteroid, the minor planet 10776 Musashitomiyo, has been named in its honour. It is assessed as Critically Endangered on the 2020 Ministry of the Environment Red List.