Species: Notarius insculptus, Flathead sea-catfish

Notarius insculptus (Jordan & Gilbert, 1883)

Flathead sea-catfish

Snout moderately pointed, projecting slightly; between eyes flat and smooth; central head groove broad and flat, tapering posteriorly and extending to within one eye diameter of base of bony nape process; bony nape process triangular, its base wide, and about equal to its length; eye large (3.8-4.3% of SL); mouth wide (12.3-14.4% of SL), lips thick and ruffled;  teeth on roof of mouth in four patches, those usually continuous, the inner patches smaller than outer ones; top barbells long (26.7-30.3% of SL); gill opening wide, membranes not adhering to breast; 11-12 gill rakers on first arch, 11-13 on second; no rakers on posterior surface of first two gill arches; bone before dorsal fin base a narrow crescent; dorsal rays I, 7, spine long (20.7-21.8% of SL); adipose 2nd  dorsal fin base ~ ½ as long as dorsal fin base; anal rays 17-19; pectoral rays I, 10.