Ziminella japonica is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Paracoryphellidae.
[1] Z. japonica can grow up to a maximum length of 75 mm (3.0 in) and ceratal color varies from cream to yellow, orange and pink.
[2] This species is widely distributed throughout British Columbia, Alaska, Japan, Siberia and Atlantic Canada to Massachusetts.
[2]