what do these large species eat?
Crabs, lobsters, squid, octopus,tarpon, sardines, sea catfishes, toadfish, porgies, grunts, jacks, croakers, groupers, flatfishes, boxfishes, and porcupine fishes, and smaller sharks such as smoothhounds.
Great hammerhead
The great hammerhead shark is an active predator with a varied diet, known prey of the great hammerhead include invertebrates such as crabs, lobsters, squid, and octopus, bony fishes such as tarpon, sardines, sea catfishes, toadfish, porgies, grunts, jacks, croakers, groupers, flatfishes, boxfishes, and porcupine fishes, and smaller sharks such as smoothhounds
what is 'great hammerhead'? The largest species of hammerhead shark. what is the length of these largest species? UNANSWERABLE in which specific areas are they commonly found? Generally in tropical waters between the latitudes of 40°N and 37°S. The places include  North Carolina to Uruguay,  Morocco to Senegal, the Mediterranean Sea, along the rim of the Indian Ocean , and in the Pacific Ocean.
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Great hammerhead [SEP] Feeding
The great hammerhead shark is an active predator with a varied diet, known prey of the great hammerhead include invertebrates such as crabs, lobsters, squid, and octopus, bony fishes such as tarpon, sardines, sea catfishes, toadfish, porgies, grunts, jacks, croakers, groupers, flatfishes, boxfishes, and porcupine fishes, and smaller sharks such as smoothhounds. At Rangiroa Atoll, great hammerheads prey opportunistically on grey reef sharks ("Carcharhinus amblyrhynchos") that have exhausted themselves pursuing mates. The species is known to be cannibalistic. Great hammerheads are apex predators among sharks and are specialists at feeding on other sharks, rays and skates, especially stingrays. The venomous spines of stingrays are frequently found lodged inside its mouth and do not seem to bother the shark as one specimen caught off Florida had 96 spines in and around its mouth.