Shorefishes of the Tropical Eastern Pacific Online Information System
Updated: 06/12/2008  
Version: 1.0.4.53  

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Species Information          
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    Alopias  
Lamniformes  -  Alopiidae  -  Alopias  -  Alopias vulpinus

Alopias vulpinus

All Families(148) All Genera(504) All Species(1287)
snout short, broad

arched between eyes
 
  C slender
 

  pectoral: curved, narrow tip
 
white above pectoral
 

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Alopias vulpinus (Bonnaterre, 1788)


Thintail thresher


Body stout, cylindrical; head short, rounded between eyes; forehead profile convex; no groove on nape; snout short, conical; eyes small, mouth small, ventral; teeth sharply triangular; gill openings - 5, short, last 2 over pectoral base; first dorsal large, ~ midway between pectorals and pelvics; second dorsal and anal very small; pectorals, very long, narrow, curved, with pointed tip; pelvics large; tail not lunate, upper lobe extremely long, ~ equal to body length, fin very thin, small lobe at tip of long lobe about 2x length of 2nd  dorsal fin base; no keels on tail base.

Back and under snout  brown, grey, blue or blackish; belly abruptly white, this color extending onto flank above pectoral fin; pectoral fin tip with white dot.



Size: > 600 cm.

Habitat: oceanic, pelagic.

Depth: 0-550 m.

Circumtropical; Canada to Chile and throughout our region.

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