IUCN threat status:

Vulnerable (VU)

Comprehensive Description

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Description

  Common names: shark (English), tiburón (Espanol)
 
Carcharhinus signatus (Poey, 1868)



Night shark     Fr - Requin nuit     Es - Tiburón de noche


Body fusiform and stout; snout long, (1.7-1.9 in the distance between nostrils), narrow, pointed; eyes large, nictitating eyelid present; nasal flap short with narrow base; mouth small; very short labial folds; upper teeth with oblique point, front edge smooth to little serrated, rear edge strongly serrated at base; lower teeth with a narrow upright point; spiracles absent; gill slits short, last two over pectoral fin base; first dorsal low, with long rear tip, front edge weakly convex, rear margin concave, origin over rear of pectoral fin margin; second dorsal very small, elongate rear tip, base over anal fin; pectoral fins long, narrow; low ridge present between dorsal fins; no keel on tail base.


Greyish blue above with scattered black spots, greyish white below; eyes green; inside mouth white.


Size: 280 cm

Coastal and semioceanic

Depth: 0 - 600 m, usually 50-100 m.

Found on both sides of the Atlantic; unconfirmed reports from the coast of Panama in the eastern Pacific.   

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© Shorefishes of the tropical eastern Pacific online information system. www.stri.org/sftep

Source: Shorefishes of the Tropical Eastern Pacific Online Information System

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