Common names: sea-catfish (English), cominata (Espanol), bagre (Espanol)
Notarius cookei Acero & Betancur 2002
False sculptured sea-catfish, False bronze sea-catfish
Body slender; head wide and flat; snout projecting well before mouth, bluntly pointed when viewed from above, its length 29-32% of SL; wide between front nostrils (8.6-10% of SL); eye small (2.5-3.1% of SL); rear of head covered with irregular distinct granules, which extend forwards on 4 crests between eyes; central groove on top of head shallow and wide; bone at rear of head long, pointed at rear, relatively narrow (its width 59-62% its length), touching a narrow, semilunar plate at origin of dorsal fin; 3 pairs of barbels, upper barbels short (15.9-23.7% of SL), thin, reach to pectoral spines; mouth wide ( width 14.1-16.8% of SL); lips thick and fleshy; 4 closely adjoined patches of simple teeth on roof of mouth, the side pair of patches largest and ~ triangular; gill opening wide, membranes not adhering to chest; 12-15 gill rakers on first arch, 13-16 on second, no rakers on rear faces of either arch; dorsal and pectoral fin spines thick, strongly serrated; base of adipose (second) dorsal fin as long or a little longer than base of 1st dorsal fin; dorsal fin low, spine length 14.5-14.9% of SL; 17-20 anal rays; 10-11 pectoral rays; bony plate above base of pectoral fin triangular, pointed.
Back blackish to light brown; belly silver, dotted with grey; blue iridescence on flanks; fins dark; upper surfaces of pectorals and pelvics blackish with blue reflections.
Size: Reaches 79 cm and 4.76 Kg.
Habitat: demersal in fresh and brackish water in river mouths.
Depth: 0-20 m.
Costa Rica to northern Colombia.