Genus: Gymnoscyphus, San Vicente Clingfish, Clingfish

sucker small, weak, lacks papillae

GYMNOSCYPHUS
CLINGFISH
Body long; head relatively small, slender; top lip well developed, widest at sides; teeth in 1 series on both jaws on sides, 2 rows at front, slender, conical, with curved tips; nostrils well separated, tubular, front nostrils longer; 4 gill arches, all with gill rakers and gill filaments; sucker disc small and weak, lacking any papillae, connected to side of body by a fleshy fold; pectoral fin 23-25; no fleshy pad on lower pectoral base; median fins short; 1 dorsal fin, at rear, no spines, 7 (6-8); anal fin 7-8, like dorsal fin and under it; tail 6+6; no scales; lateral line present as pores on head only.
A genus with one known species, endemic to the Caribbean.