Redescription of Bomolochus decapteri Yamaguti, 1936 (Copepoda, Cyclopoida, Bomolochidae) recovered from three species of Carangidae (Pisces, Perciformes) in Japan, with the first description of the male of the species

Bomolochus decapteri Yamaguti, 1936 is redescribed based on specimens recovered from the bucco-branchial cavity of three species of Carangidae (Pisces, Perciformes), the roughear scad Decapterus tabl Berry, 1968, the whitefin trevally Carangoides equula (Temminck & Schlegel, 1844), and the Japanese jack mackerel Trachurus japonicus (Temminck & Schlegel, 1844) in Japan. The male of the species is described for the first time. The possession of postantennal processes and lateral processes was verified in the genus, next to Nothobomolochus.