Variations in the infection level of Neoergasilus japonicus (Copepoda: Ergasilidae) between freshwater fishes at different sites in the Ashida River system, western Japan

Ttetaloia hoshinoi, a new genus and species of chondracanthid copepod (Poecilostomatoida) parasitic on triplefins (Actinopterygii: Tripterygiidae) from Japanese waters

Description of the male of Prosaetes rhinodontis (Wright, 1876) (Crustacea, Copepoda, Siphonostomatoida), with a proposal to synonymize Cecropidae Dana, 1849 and Amaterasidae Izawa, 2008 with Pandaridae Milne Edwards, 1840