HAMMERHEAD SHARKS.
THE COMPLETE GUIDE
TO HAMMERHEAD SHARKS.
Why hammerheads have a hammer, why they school, what they eat, and why most species are now threatened, drawn from the published research.
TYPES OF HAMMERHEADTypes of Hammerhead Shark: How Many Species, and How to Tell Them Apart
How many hammerhead shark species there are, how to tell the scalloped, great, smooth, and bonnethead apart, and where each type lives.
Read the article →
WHY THE HAMMER?Why Do Hammerhead Sharks Have a Hammer? What the Science Says About the Cephalofoil
What experiments reveal about why hammerhead sharks have a hammer-shaped head, from sensing prey and vision to turning, lift, and pinning stingrays.
Read the article →
SIZEHow Big Are Hammerhead Sharks? Size by Species, Pups, and Records
How big hammerhead sharks get, species by species, with the truth about 20-foot great hammerheads, pup sizes, growth, weights, and how scientists measure them.
Read the article →
FEEDING & DIETWhat Do Hammerhead Sharks Eat? Diet and Hunting by Species
What hammerhead sharks eat, from the great hammerhead's stingrays to the scalloped hammerhead's deep-sea squid and the bonnethead's seagrass.
Read the article →
SCHOOLING & MIGRATIONWhy Do Hammerhead Sharks School, and Where Do They Migrate?
Why scalloped hammerheads form daytime schools at islands like the Galápagos, where they go at night, and how far hammerhead sharks migrate.
Read the article →
BABY HAMMERHEADSBaby Hammerhead Sharks: Pups, Nurseries, and Reproduction
How hammerhead sharks give birth, how many pups they have, how big baby hammerheads are, and where the coastal nurseries that shelter them are found.
Read the article →
THREATS & CONSERVATIONWhy Are Hammerhead Sharks Endangered? Threats and Conservation
Why hammerhead sharks are endangered: Red List status by species, the fin trade, bycatch, and climate change, and the protections that help them recover.
Read the article →
ARE HAMMERHEADS DANGEROUS?Are Hammerhead Sharks Dangerous? Diving and Swimming with Hammerheads
What the research shows about whether hammerhead sharks are dangerous to people, and where, when, and how to dive with them responsibly.
Read the article →

