Hammerhead
Sphyrnidae
A living metal detector with eyes spread wide.
Hammerhead Sharks carry a flattened head called a cephalofoil, with an eye near each end. That remarkable shape spreads sensory organs across a wide search area and helps the shark maneuver.
Find this SeaPal in the card gallery
From field guide to game table
Bring this Hammerhead home
See which ready-to-play decks feature this SeaPal. Try one in the simulator before you buy, or explore each full deck list.
- 1 copy
Ready-to-play deck
Blue Water Deck
Includes 1 card featuring Hammerhead.
- 2 copies
Ready-to-play deck
Murky Water Deck
Includes 2 cards featuring Hammerhead.
Quick dive
Creature passport
- Home
- Warm coastal and offshore seas, including reefs, bays, and continental shelves.
- Favorite foods
- Fishes, squid, crustaceans, other sharks, and especially rays for some species.
- Size check
- Roughly 3–20 ft (0.9–6 m), depending on species
Tell-your-friends facts
Four wonderfully wild things
- 1
There are several species of hammerhead, from bonnetheads to great hammerheads.
- 2
Widely spaced eyes give hammerheads an exceptionally broad view.
- 3
Some species form large daytime schools, then hunt separately at night.
- 4
A hammerhead may pin a ray against the bottom with its head.
Ocean superpower
Built to be amazing
A wide sensor-packed head detects tiny electrical fields from buried prey.
Junior scientist tip
What should I look for?
The unmistakable clue is a flattened hammer-shaped head with wide-set eyes.
Grown-up research links
We used trusted science organizations to check this profile.
