Species: Squalus cubensis, Cuban dogfish shark, Cuban dogfish

Squalus cubensis Howell Rivero, 1936

Cuban dogfish shark

Body elongate and narrow, head and snout narrow, pointed; eyes without nictitating membrane; spiracle a large half-moon just behind eye; anterior nasal flap narrow; distance from tip of snout to inner corner of nostril less than distance from inner corner of nostril to groove in upper lip; teeth similar in both jaws, compressed, a single deeply notched cusp; 5 gill slits, all before pectorals; a slender, long spine at front of each dorsal fin; first dorsal fin origin over middle of inner margin of pectoral fin; second dorsal fin much smaller than first; pectoral fin with deeply concave rear edge, rear tip angular and pointed; upper tail base pit well developed, lower pit absent; tail fin without a notch under its tip, with large lower lobe; denticles on flank small, elongate & with single point in adults.