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Author: (Valenciennes, 1841)

Carcharhinus isodon (Valenciennes, 1841)

Diagnosis: body slender. Snout moderately long, pointed. Teeth spikelike, smooth-edged, similar in both jaws. Gill openings noticeably long. First dorsal fin triangular, its origin over or just behind pectoral insertion; pectoral fins broad, short, posterior margin slightly concave; inter-dorsal ridge absent. Colour: grey to bronze, or blue-grey above, white below. Size: to 175 cm TL, common to 140 cm TL.

Habitat: coastal waters. Food: fishes. Reproduction: viviparous, 4-6 young born at 40-50 cm TL. Parturition occurs in coastal waters, the gestation period apparently 10-12 months; probably 1 litter every two years; males mature at 120 cm TL, females at near 140 cm TL.

Distribution: no certain records. Elsewhere, nominally from off West Africa (misidentified C. brevipinna), otherwise only western North Atlantic.

Complementary iconography. Bigelow & Schroeder, 1948, fig. 51.

Finetooth shark (Carcharhinus isodon)