Oder Anguilliformes Family Congridae(Conger and garden eels). Slender conger Uroconger lepturus(Richardson, 1845), Max length/52 cm TL common length/30.0 cm TL Korean name/ae-bung-jang-eo(애붕장어) Japanese name/ Ai-anago Chinese name/狹尾糯鰻 P1/11. PLp/42~46. Vert/203~206
Distribution; Indo-West Pacific/tropical waters from South Africa, Red Sea to China, southern Japan, southern sea and Jeju Island in Korea, General; The slender conger also known as the longtail conger or the yellow pike-conger. Body long, and the tail is more than twice as long as the head and body combined. Head small. Head and trunk subcylindrical but caudal compressed and attenuated posteriorly with pointed tip. Upper lips unfolded. Mouth large, rictus reaches below posterior margin of eye. Gill opening large and slit-shaped. Body without scales. present but pelvic fin absent. Dorsal and anal fin connected with caudal fin, pectoral fin. Dorsal and anal fins connected to caudal fin. The dorsal fin begins just above or in front of the base of the pectoral fin. Rictus in advance of rear margin of eye. Upper jaw longer than the lower jaw and protrudes in front of the lower jaw. Anus on the anterior half. Teeth small, conical, usually 2 rows on both jaws. Vomerine teeth small and canine, 5 rows anteriorly, one row posteriorly. Premaxillary teeth protrude out when mouth closed. Tongue fixed. Sensory pores on head 24 in total Light grey-brown, lighter ventrally, margins of fins darker. Deep sea species, It dwells on soft sand and mud bottoms at a depth range of 18 to 760 meters. Feed on small benthic crustaceans. Nocturnal, active at night. It goes through the larvae of Leptocephalus as other congerners. Edible.
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