Species: Rypticus courtenayi, Revillagigedos soapfish, Socorro soapfish

Rypticus courtenayi McCarthy, 1979

Socorro soapfish, Revillagigedos soapfish

Elongate, very compressed; forehead oblique; lower jaw only slightly projecting, sometimes with fleshy point; pores along lower surface of lower jaw with numerous, evenly spread; numerous small pores along entire edge of preopercle; simple teeth in bands on jaws; 2 pairs of nostrils, anterior tubular; simple teeth in bands on jaws; 2-3 spines on preopercle; 3 spines on operculum; gill rakers 8 (7-9); gill opening restricted above, most of upper part of operculum bound to body by skin; dorsal fin II (rarely III) spines, 23-26 rays; anal fin without spines , 15-17 rays; pectoral rays 14-16; median fins thick, fleshy; rounded tail and pectoral fins; scales imbedded.