The pelvic fins are located on the thorax and contain a single spine and 5 soft rays. There is a single pair of tube-like nostrils and these fishes have no scales although the lateral line canal is well-developed and is situated high on the body parallel and near to the base of the dorsal fin.
Pelvic fins are situated on the thorax and include one spine and five soft rays. There is a single pair of tube-like nostrils, and these fish do not have scales but possess a well-developed lateral line canal that runs high on their body, parallel to and near the base of the dorsal fin.