Species: Pseudogilbia sanblasensis, San Blas brotula

Pseudogilbia sanblasensis Møller, Schwarzhans & Nielsen, 2004

San Blas brotula

Body elongate, compressed, decreasing to slender tail base; head large, deep; front nostril is immediately above the top lip; eyes large (2.9% of SL); narrow between eyes (<7% of SL); lower jaw with 8 rows of teeth at front, 2 rows at rear, inner row with 15 large teeth; no central tooth patch at bottom of gill arches; top jaw bone expanded vertically at rear, a sharp projection at lower rear corner; jaw teeth pointed, in bands; preopercle with 1 pore  above and 1 at lower rear corner; opercle with 1 flat spine at upper angle; 3 long gill rakers; pelvic fin = 1 short filament, inserted under edge of gill cover; pectoral fin <16% of SL; dorsal and anal fins separate from tail; lateral line indistinct, continuous, complete, 2 rows of pores, upper row ~14 pores, row along flank ~25 pores; scales small, imbedded, covering body, a broad scale patch on cheek, reduced to 2-3 rows below; male sex organ with 2 pairs of pseudoclaspers, ~equal sized, very large, inner one like a forward pointing hook.