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Abercrombie et al_Fi..

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Silky shark (Carcharhinus f<strong>al</strong>ciformis)<br />

Distribution: Widely distributed in warm temperate to tropic<strong>al</strong> regions.<br />

Habitat: Primarily offshore. Mostly taken in pelagic fisheries.<br />

Pector<strong>al</strong> fin description<br />

The dors<strong>al</strong> surface is brown to<br />

greyish-brown in color and has<br />

a smooth texture with sm<strong>al</strong>l<br />

denticles. The fin is narrowly<br />

rounded at the apex with a visible<br />

dusky coloration at the ventr<strong>al</strong><br />

surface, has a nearly straight<br />

trailing edge (not visibly f<strong>al</strong>cate)<br />

and narrow free rear tip.<br />

Similar species: Dusky, bull, night and Caribbean reef shark pector<strong>al</strong> fins (not included in this guide<br />

due to lack of sufficient samples for comparison) are a very similar in shape and coloration,<br />

but the dusky markings on the ventr<strong>al</strong> surface are less concentrated at the apex and the trailing<br />

edge is more f<strong>al</strong>cate in these species than seen in the silky. Bull pector<strong>al</strong> fins <strong>al</strong>so have larger<br />

denticles (s<strong>al</strong>t grain-like).<br />

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