Comprehensive DescriptionRead full entry
| Common names: shark (English), tiburón (Espanol) |
Carcharhinus falciformis (Müller & Henle, 1839)
Slender-bodied (body depth 11.5-17.5% of TL); snout moderately long, flat and slightly pointed, length in front of mouth 6.9-9.3% of TL; large eyes; top teeth serrated on tip and base, straight (at front) to slightly oblique (on sides of jaws), with notch on outer side, narrow points, lower teeth with narrow points; a low, narrow ridge on back between dorsal fins; origin of first dorsal fin behind free rear tips of pectoral fin; first dorsal fin small, low, (height 5.2-9.9% of TL), with narrowly rounded tip and strongly curved trailing edge; origin of second dorsal ~ over anal origin, height of fin ~ ½ its length; 2nd dorsal and anal fins with long bases and long free rear tips; pectoral long, narrow, curved.
Grey to dark grey dorsally, shading to white ventrally, sometimes with faint band of white invading grey of upper abdomen; first dorsal fin unmarked; second dorsal, anal, lower caudal lobe and pectoral fins may have dusky tips.
Grows to 350 cm; size at birth 70-87 cm.
Habitat: found inshore but more abundant offshore.
Depth: 0-500 m.
Circumtropical; central Baja and the Gulf of California to northern Peru and the oceanic islands.