Description

 Leptopentacta elongata is a burrowing sea cucumber, which lives in U-shaped burrows. Its cylindrical body tapers at both ends with ten white, bushy tentacles at one end and the anus at the other end both protruding out into the water column. It has five distinct double rows of tube feet. The skin is thick and tough. Its narrow body may reach up to 15 cm in length and is brown to off-white in colour.