Species: Hypanus sabinus, Atlantic stingray

Hypanus sabinus (Lesueur, 1824)

Atlantic stingray

Disc rhomboidal, about as wide as long, angular at front, outer corners broadly rounded; snout pointed, length greater than distance between spiracles; sides of snout concave; nostrils with a large fringed curtain between them and the mouth; floor of the mouth has fleshy papillae; teeth with low oval or angular crowns; tail long and slender, ending in a point; tail base broad, depressed; pelvic fins project beyond rear margin of the disc by ~1/3 their length; 1 large, serrated, venomous spine on top of tail; no tail fin or dorsal fins, but tail with small dorsal keel behind the spine and a ventral fleshy ridge, height of the ventral ridge ~same as the height of the tail above it; a single row of tubercles along the midline of the back from the nape to the tail spine; denticles on head between eyes and spiracles; no thorns or tubercles on sides of tail.