Great Hammerhead and Similar Species
Sphyrna mokarran
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Open the appSeveral fish can be confused with Great Hammerhead. Here are the key differences.
Species often confused with {name}
Scalloped Hammerhead
Sphyrna lewini
Key differences: The leading edge of the cephalofoil has a distinct median indentation and lateral grooves. The first dorsal fin is less falcate and originates further back, behind the pectoral fin axil. Pelvic fins are more falcate.
Smooth Hammerhead
Sphyrna zygaena
Key differences: The leading edge of the cephalofoil is smoothly arched without any indentation. The first dorsal fin is less falcate and originates further back than in the Great Hammerhead.
Bonnethead Shark
Sphyrna tiburo
Key differences: Much smaller species (max ~1.5m). The cephalofoil is shovel-shaped or bonnet-shaped, not broadly hammer-shaped, and lacks the straight leading edge of the Great Hammerhead.
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