Symbiotic copepods (Cyclopoida and Siphonostomatoida) collected by light trap from Korea

Thirty-nine species of symbiotic copepods, comprising 24 species of poecilostome Cyclopoida and 15 species of Siphonostomatoida, are reported from Korean waters, which were collected using underwater light traps at 33 collection sites around the South Korean coast. Ten new species are described: Hemicyclops rapax sp. nov. in the family Clausidiidae; Pontoclausia cochleata sp. nov. and P. pristina sp. nov. in the family Clausiidae; Heteranthessius unisetatus sp. nov. in the family Lichomolgidae; Pusanomyicola sensitivus gen. nov., sp. nov. in the family Myicolidae; Polyankylis bogilensis sp. nov. in the family Polyankyliidae; Pseudanthessius linguifer sp. nov. in the Pseudanthessiidae; Eupolymniphilus foliatus sp. nov. in the family Sabelliphilidae; and Acontiophorus estivalis sp. nov. and Thermocheres pacificus sp. nov. in the family Asterocheridae. Supplementary descriptions or notes for other species are provided as appropriate