Phallostethus lehi Parenti 1996

Differs from all congeners by having the following characters: second ctenactinium with eight serrae in adult males; 28 caudal vertebrae with no sexual dimorphism in the number of precaudal vertebrae; 28 or more teeth on paradentary; all males are sinistral (Ref. 90869).

Pelvic fins in males are modified to form part of a complex thoracic clasping organ (Ref. 205).

Fertilization is internal and eggs are attached to the substrate via adhesive filaments (Ref. 43413).