Sphyrna tudes (Valenciennes, 1822)
Smalleye hammerhead
photo by FAO

 Family:  Sphyrnidae (Hammerhead, bonnethead, or scoophead sharks)
 Max. size:  134 cm TL (male/unsexed); 148 cm TL (female)
 Environment:  benthopelagic
 Distribution:  Southwest Atlantic: Venezuela to Argentina (Ref. 58839). Also Mediterranean Sea and Eastern Pacific (Ref. 7251).
 Diagnosis:   
 Biology:  A little-known inshore shark of the continental shelf, found down to at least 12 m depth. Feeds on small bony fishes, including sea catfish and grunts, but also newborn scalloped hammerheads, swimming crabs, squids, and shrimp. Viviparous with a yolk-sac placenta; number of young probably 6 to 9 per litter (Ref. 244).
 IUCN Red List Status: Vulnerable (A2ad+3d+4ad) (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Froese, Rainer - 04.02.00

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