Slender conger  The slender conger (Uroconger lepturus, also known as the longtail conger or the yellow pike-conger) is an eel in the family Congridae (conger/garden eels). It was described by John Richardson in 1845, originally under the genus "Congrus". It is a marine, tropical eel which is known from the Indo-Western Pacific Ocean, including the Red Sea, South Africa, and Japan. It dwells at a depth range of , and inhabits sand and mud. Males can reach a maximum total length of , but more commonly reach a TL of . The slender conger's diet consists of small benthic crustaceans. It is of commercial interest to fisheries.