Species: Derilissus lombardii, Tailspot clingfish

Derilissus lombardi Sparks & Gruber 2012

Tailspot clingfish

Body slender, only slightly depressed at front; head narrow, snout short, profile very steep and rounded;  mouth opening underneath; eyes large; front nostril an elongate tube, without a flap; rear nostrils slightly tubular; top lip broad at front, narrow on sides; teeth in 2 rows on top jaws, 1 row on bottom, with 3-pointed incisors at front of both jaws; thin, short, triangular gill rakers; median fins short; 1 dorsal fin, at rear, no spines, 8; anal fin 7, like dorsal fin and under it; first ray hidden on dorsal and anal fins; pectoral rays 23-24; a poorly developed fleshy pad on lower pectoral base; sucker large, papillae small, center of sucker with 2 separate cluster of  8-9 close-set papillae, with a single papilla in front of each cluster, and behind the  clusters a crescent of 5 papillae with a single one before the center of that group; rear edge of sucker strongly convex; no scales; lateral line present as pores on head only.