Common names: goby (English), gobio (Espanol)
Gobionellus liolepis (Meek & Hildebrand, 1928)
Smooth-scaled goby, Gulf goby
Very elongate, compressed; head a little compressed, snout broadly pointed; mouth opens at front, oblique; teeth on both jaws fine and numerous, 1-3 rows on top jaw (inner row may be strongly curved), 2-3 rows on bottom jaw, no large canines near front of bottom jaw; front nostril tubular; rear nostril a pit; large eyes, high on sides of head; between eyes narrow; preopercle canal with 3 pores; a single pore between eyes; 6-7 + 7-8 triangular gill rakers with flexible bases; dorsal fin VI + I, 14, 2 fins broadly joined; anal I, 14; pelvic I, 5 disk complete; tail fin long and pointed; scales feel smooth (but are finely toothed), present on nape, gill covers and cheeks as well as body, small, 70-81 in lateral series.
Olivaceous; mid flank without dark blotches; a dark bar under eye; second dorsal fin and tail fin spotted or barred, other fins translucent.
Size: 25 cm.
Habitat: sandy beaches near estuaries and deeper soft bottoms in nearshore waters.
Depth: 0-30 m.
El Salvador to Ecuador.