Genus: Dactylagnus, Sand Stargazers, Simple Stargazer
head large, deep
eyes not stalked
eyes not stalked
D continuous, origin over A origin
lower jaw rounded
both lips: skin flaps
both lips: skin flaps
DACTYLAGNUS
SAND STARGAZERS
Body compressed, tapering to tail; head large, deep, bluntly rounded to oblique at front; eyes on top of head, not stalked; tubular nostrils; mouth upturned, with a protruding lower jaw, lower jaw not pointed; both lips with skin flaps; upper part of operculum with a frill of skin flaps; dorsal and anal fins with long bases; dorsal fin continuous, origin about over anal origin; pelvic fins inserted under throat, each with I, 3, rays thickened and free at the tips; lateral line continuous, bends down under 6th-8th dorsal spine; scales large, smooth, 2-3 rows between apex of lateral line arch and dorsal fin; head and belly scaleless.
A neotropical genus with three species; one endemic to our region.
