54509 Periophthalmus modestus Cantor, 1842 Oxudercidae Mudskippers Periophthalminae Gobiiformes Teleostei Shuttles hoppfish Northwest Pacific: Vietnam (Ref. 44416), northward to Korea and southern Japan (Ref. 559). AMNH 18736 1919 Periophthalmus cantonensis AMNH 37053 1926 Periophthalmus cantonensis AMNH 43017 1926 Periophthalmus modestus