Pacific sharpnose shark - Rhizoprionodon longurio

 

Illustration © Marc Dando

WHAT TO LOOK FOR
This is a very small shark with inconspicuous dusky fin edges. It has a long snout, snort labial furrows, small wide-spaced nostrils, no spiracles, large eyes, and its second dorsal origin starts far behind the anal origin.

COLOR
Grey or brownish-grey to bronzy above, pale below.

SIZE
At birth, the shark is 8.26 to 10.23 inches [21 to 26 cm] in length. Males mature a length of 0.9 to1.2 ft [29 to 38 cm] and females mature at 1 to 1.3 ft [32 to 41 cm]. Its maximum length is 2.3 ft.

TEETH
Narrow-cusped small teeth in both jaws.

HABITAT
Littoral, continental and insular shelves, both inshore and offshore.

DISTRIBUTION
Tropical Indo-west Pacific Ocean.

BIOLOGY
Reproduction – Viviparous, yolk-sac placenta, with 3-5 pups per litter.

STATUS
Heavily fished.