Musashi ninespine stickleback
The Musashi ninespine stickleback is an undescribed species of fish in the stickleback genus Pungitius. Endemic to Japan, it occurs only in the in Kumagaya, Saitama Prefecture. It is the, 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.