Species: Gobiesox adustus, Panamic clingfish

Gobiesox adustus Jordan & Gilbert, 1882

Panamic clingfish

Tadpole shaped, head broad, depressed; well developed lobe-like papillae on head and along margin of upper lip; top lip broad, much wider at front than at sides; top jaw with a deep patch of conical teeth at front, followed on each side by row of slightly recurved canines; lower jaw with 2 rows of incisors, those of outer row much larger, incisors followed on each side by a row of larger canines; anus about midway between rear margin of disc and anal fin origin, well in front of dorsal fin origin; sucker large, with papillae at front (a broad band), center (2 widely spaced patches) & rear,  7-10 rows of flattened papillae across front of disc, 4-7 longitudinal rows on each central patch; a large fleshy pad with free rear edge at base of pectoral fin; dorsal rays 11, well behind pectoral; anal rays 9-10; pectoral rays 21-24; caudal rays 10-12.