| Common names: blenny (English), trambollito (Espanol) |
Paraclinus monophthalmus (Günther, 1861)
Elongate, snout bluntly pointed; cirri present on nostril, above eye (branched), and on nape (narrow triangular flap); opercle with a distinct spiny projection; dorsal fin XXVIII-XXX, 1, 1st spine < 10% of SL; front 3 spines elevated then a deep notch before 4th spine, membrane between 3rd and 4th dorsal spines usually attached well below midpoint of 4th spine; anal rays II, 19-21; pectoral rays 11-14; pelvic I, 3; all fin rays unbranched; lateral-line scales 36-40; no skin flaps on scales.
Greyish to blackish; with faint dark bars on side; a black spot on upper part of gill cover; dorsal fin with broad white margin and ocellus on rear half; anal fin dark, with thin white margin; tail fin clear, with black bar at base.
Size: attains 8.5 cm.
Habitat: relatively rare, found in shallow weedy areas.
Depth: 0-5 m.
El Salvador to Panama.