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Hammerhead Sharks
Sphyrna
Sphyrna (from the Greek word σφυρί "hammer") is a genus of hammerhead sharks with a cosmopolitan distribution in the world's oceans. Members of Sphyrna have a tendency to inhabit coastal waters along the intertidal zone rather than the open ocean, as their prey items such as invertebrates, fish, rays, small crustaceans and other benthic organisms hide in the sands and sediment along these zones. Members of Sphyrna are also known by a large number of synonyms...
10 branches of this genus, most-observed first · about 10 known species

Scalloped Hammerhead
speciesSphyrna lewini

Bonnethead
speciesSphyrna tiburo

Smooth Hammerhead
speciesSphyrna zygaena

Great Hammerhead
speciesSphyrna mokarran

Smalleye Hammerhead
speciesSphyrna tudes

Scalloped Bonnethead
speciesSphyrna corona

Shovelbill Shark
speciesSphyrna alleni

Pacific Bonnethead
speciesSphyrna vespertina

Scoophead
speciesSphyrna media

Carolina Hammerhead
speciesSphyrna gilberti
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Sphyrna in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 56767.