There are six branchiostegals and the gill membrane is narrowly attached to the isthmus. There are large pores along the jaws and these extend rearwards onto the operculum. The front part of the body is naked, with no scales.
There are six branchiostegals, and the gill membrane is closely attached to the isthmus. There are large pores along the jaws that extend rearward onto the operculum. The front part of the body lacks scales.