Species: Isogomphodon oxyrhynchus, Daggernose Shark

Isogomphodon oxyrhynchus (Müller & Henle, 1839)

Daggernose Shark

Body moderately stout; eyes very small; nictitating eyelid present; snout very long, flat, narrowly triangular when viewed from above, sharply pointed; labial folds short, well developed; teeth numerous small, spike-like on both jaws, upper teeth serrated; no spiracles; gill slits moderate, 5, none over pectoral fin; first dorsal fin moderately high, over pectoral fin base; second dorsal ~ ½ height of first dorsal, origin slightly in front of anal fin base; anal fin with deeply notched posterior margin; pectoral fin very large, broad; no ridge on back between dorsal fins; tail fin strongly asymmetrical, lower lobe of tail well developed, upper lobe with undulating ridge along its top edge, and a notch under its tip, pits at its base; no keel on tail base.

Yellow-grey above, white below; fins unmarked.

Size: 160 cm, possibly 244 cm.

Habitat: Common inshore species in tropics in turbid water around mangroves and river mouths.

Depth: 4 - 40 m.

Trinidad to Brazil.