Two Parapenaeus species, P. australiensis Dall, 1957 and P. fissurus (Spence Bate, 1881), collected from around Jeju Island and east of Busan, southern Korean waters, are briefly described here. Both species are newly recorded from Korean waters, with the former record representing a considerable range extension from the tropical western Pacific to the northern East China Sea. Distributional and morphological accounts of these species are presented.
Three homolid crabs, Homolomannia sibogae Ihle, , Latreillopsis bispinosa Henderson, , and Moloha majora (Kubo, ) from around the Jeju Islands, southern Korean waters, are briefly described here. Although these species occur widely in the West Pacific or Indo-West Pacific, they all represent the first record of their species and genus in Korean waters. The family Homolidae currently comprises four species in Korea. Brief descriptions and illustrations of selected parts are provided in this article.
Two leucosiid crabs, Cryptocnemus obolus Ortmann, 1892 and Ebalia tuberculosa (A. Milne-Edwards, 1873), collected south of Jeju Island, are recorded for the first time from Korea. The identification of these new species increases the number of genera and species from the family Leucosiidae in Korean waters to 13 genera and 17 species. In this article, brief descriptions and illustrations are provided for both taxa.
Two species of pagurid hermit crab, Diacanthurus ophthalmicus (Ortmann, ) and Nematopagurus lepidochirus (Doflein, ), which were collected in 2013 from 129 m depth, east of Jeju Island, are now recorded from South Korea for the first time. Diacanthurus ophthalmicus and Nematopagurus lepidochirus are the only members of the genera Diacanthurus and Nematopagurus known from South Korea, respectively.