Species: Rhizoprionodon lalandii, Brazilian Sharpnose Shark

Rhizoprionodon lalandii (Müller & Henle, 1839)

Brazilian Sharpnose Shark

Body elongate and slender; eyes large; nictitating eyelid present; snout long and depressed, tip slightly rounded; nostrils small, widely separated; eyes large; labial furrows long, nearly eye length, upper fold ending well behind eye; no spiracles; teeth strongly oblique, with rear notch, smooth; five gill slits, last two over pectoral; first dorsal fin moderate in height, larger than second, origin over or slightly behind pectoral free rear tip, center of its base equidistant from rear axil of pectoral and origin of pelvic fin; second dorsal very low, posterior edge almost straight, origin over or slightly before rear insertion of anal fin base; rudimentary ridge between dorsals; pectoral fins short and broad, not reaching under center of first dorsal base when pressed against body; anal fin with shallowly concave rear edge, a long ridge on each side before it; low ridge between dorsal fins; no keel on tail base but notches above and below.

Greyish brown above, white below, pectoral fins dark with white rear edges, caudal fin dark with black margin.

Size: 79 cm.

Habitat: Inhabits shallow coastal waters on sandy or muddy bottoms.

Depth: 3-149 m.

Honduras to Brazil.