Genus Peronedys

The single species in this genus is found only in southern Australia along the south coast. Body very shallow and elongate, gradually tapering almost to a point; head, eye and mouth small, gape oblique; scales tiny, not overlapping, few anteriorly, lateral line pores not associated with scales, originating above opercle, followed by series of pit‑like depressions; dorsal and anal fins continuous with very elongate bases and uniform heights, both broadly joined by membrane to caudal fin, dorsal origin slightly behind opercular edge; caudal fin pointed; pectoral fins minute, barely distinguishable from opercular flaps; ventral fins tiny.