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Great Hammerhead
Mythic

Great Hammerhead

Sphyrna mokarran

Also called hammerhead, great hammer, GH

The largest of all hammerhead species, distinguished by its massive flattened head structure called a cephalofoil. These apex predators are known for their impressive size and distinctive silhouette.

The record

Great Hammerhead at a glance

Scientific name
Sphyrna mokarran
Typical size
72-144 inches
IGFA world record
1,280 lbs
State record
1280 lbs (catch and release only - now protected)
Water
Saltwater
Habitat
Inshore
Rarity in the Fishdex™
Mythic
Where it lives

Habitat

Nearshore and offshore waters. Largest hammerhead species. Feeds heavily on stingrays.

Catch one and it is yours

Log a great hammerhead through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.

How the Fishdex™ works
Questions

Great Hammerhead questions people ask

Great Hammerhead is Sphyrna mokarran. Anglers also call it hammerhead, great hammer, GH.

A typical great hammerhead runs 72-144 inches. The IGFA all tackle world record stands at 1,280 lbs. Cobia records the length and weight of every great hammerhead you log and keeps your personal best on its Fishdex entry.

Nearshore and offshore waters. Largest hammerhead species. Feeds heavily on stingrays. It is a salt water species, filed under inshore in the Fishdex.

The IGFA all tackle world record great hammerhead weighed 1,280 lbs. The standing state record on file is 1280 lbs (catch and release only - now protected).

Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.

Free on iPhone

Tomorrow morning starts tonight

Set your home water, pick a drive radius, and wake up to a plan.

Download Cobia on the App Store Android coming soon

iPhone, iOS 17 or later. Setup takes about a minute.