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 Smalleye hammerhead (Sphyrna tudes)

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

Earth Map


Phylum: Vertebates (Chordata)

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


Scientific: Sphyrna tudes
German: Kleinaugen-Hammerhai
English: Smalleye hammerhead
French: Requin-marteau a petits yeux
Spanish: Cornuda ojichica


Small. Moderately broad, mallet-shaped head with medial and lateral indentations on the anterior edge and the transverse posterior margins. First dorsal fin erect and slightly falcate, the free rear tip is over the pelvic fin insertions. Origin of first dorsal fin slightly behind the pectoral fins insertions. Second dorsal fin is less high than the anal fin, and ends well in front of caudal the fin. Precaudal pit present.


Grey-brown, with white ventral surface.


Western Atlantic: Venezuela to Uruguay.


A little-known species of the continental shelf found down to depths of approximately 12m.


Small fishes, swimming crabs, squid and shrimp.


Average size about 120 cm to 130 cm, maximum total length about 150 cm.


Viviparous, with yolksac-placenta. 6 to 9 pups per litter. Size at birth about 30 cm. Males reach sexual maturity between 110 cm and 135 cm, females at about 120 cm.

 Similar Species

Other hammerheads have a similar appearance and taxonomic features have to be used to clearly distinguish.


Status in the IUCN Red List:

No Entry found in Red List.

 Danger to Humans


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