Abstract
A new species of lysianassid amphipod belonging to the genus Socarnes Boeck was collected from Korean coastal waters. This is the first record of the genus Socarnes from Korea. The new species is fully illustrated and extensively compared with related species. A key to Socarnes speciesis provided.
Highlights
The subfamily Lysianassinae Dana, 1849 is a large group of the family Lysianassidae, with 29 genera
Specimens were collected with a hand-net from various algae, seagrass and coral rubble from shallow waters of Gyeongpo, Tongyeong-si, Korea
The specimens were fixed with 80% ethyl alcohol and dissected in glycerol on Cobb’s aluminum hollow slides
Summary
The subfamily Lysianassinae Dana, 1849 is a large group of the family Lysianassidae, with 29 genera. Left mandible (Fig. 2F) incisor simple, smooth, blunt apically; lacinia mobilis simple, slender, and curved; accessory setal row with 3 small blunt spines; molar elongate and forms a setose ridge; palp triarticulate, set below molar level, proximal segment short, article 2 elongate 1.63 × article 3, with 8 A2 setae and 1 E2 seta, distal article covered with patch of pubescence laterally, with 2 D3 setae and 4 unequal E3 setae.
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