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 Whitefin hammerhead (Sphyrna couardi)

  Index
> Photo
> Range Map
> Systematics
> Name
> Appearance
> Coloration
> Distribution
> Biology
> Feeding
> Size
> Reproduction
> Similar Species
> Endangerment
> Danger to Humans

 Photo

Whitefin hammerhead
No image of Whitefin hammerhead found in the Shark Database
 Range Map

Earth Map


 Systematics

Phylum: Vertebates (Chordata)

Class: Carlilagenous Fishes (Chondrichthyes)
  Order: Ground sharks (Carcharhiniformes)
    Family: Bonnethead sharks (Sphyrnidae)
      Genus: Sphyrna (Sphyrna)


 Name

Scientific: Sphyrna couardi
German: Weissflossen-Hammerhai
English: Whitefin hammerhead
French: Requin-marteau aile blanche
Spanish: Cornuda aliblanca


 Appearance

Relatively broad, fairly narrow-bladed head. Anterior margin of head is very broadly arched with a prominent median indentation. First dorsal fin falcate with an origin over the midbases of the pectoral fins. Very small second dorsal fin with a long posterior margin (about twice as long as the height of the fin), with a free rear tip that nearly reaches the upper caudal fin"s origin. Precaudal pit present.

 Coloration

Blue-grey to grey-brown, with white ventral surface.

 Distribution

Eastern Atlantic: Senegal to Congo. Possibly Mediterranean.

 Biology

A little-known species, rare. Seems to live in coastal waters.

 Feeding

Feeds on fishes and cephalopods.

 Size

Average size about 200 cm to 250 cm, maximum total length about 300 cm.

 Reproduction

Viviparous, with yolksac-placenta (gives birth to live young). 24 to 28 pups per litter. Size at birth around 30 cm. Males reach sexual maturity between 150 cm to 180 cm, females between 230 cm to 250 cm.

 Similar Species

Other hammerhead sharks have a similiar appearance and taxonomic features have to be used to distinguish among species.

 Endangerment

Status in the IUCN Red List:


No Entry found in Red List.


 Danger to Humans

Harmless.



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