WebTaxonomy. Order Carcharhiniformes (ground sharks), Family Sphyrnidae (hammerhead sharks) The hammerhead sharks are an unmistakable group of sharks that can be distinguished from all other fishes by the shape of their heads. The wide, hammer-shaped head gives these sharks their common name, ... Since sharks do not have mineralized bones and rarely fossilize, only their teeth are commonly found as fossils. Their closest relatives are the requiem sharks (Carcharinidae). Based on DNA studies and fossils, the ancestor of the hammerheads probably lived in the Early Miocene epoch about 20 million years … See more The hammerhead sharks are a group of sharks that form the family Sphyrnidae, so named for the unusual and distinctive structure of their heads, which are flattened and laterally extended into a "hammer" shape … See more Reproduction occurs only once a year for hammerhead sharks, and usually occurs with the male shark biting the female shark violently until she agrees to mate with him. The … See more According to the International Shark Attack File, humans have been subjects of 17 documented, unprovoked attacks by hammerhead sharks within the genus Sphyrna since AD 1580. No human fatalities have been recorded. The great and the … See more The known species range from 0.9 to 6.0 m (2 ft 11 in to 19 ft 8 in) in length and weigh from 3 to 580 kg (6.6 to 1,300 lb). One specimen caught off the Florida coast in 1906 weighed over 680 kg (1,500 lb). They are usually light gray and have a greenish tint. Their bellies are … See more Hammerhead sharks eat a large range of prey such as fish (including other sharks), squid, octopus, and crustaceans. Stingrays are a particular … See more Humans are the number one threat to hammerhead sharks. Although they are not usually the primary target, hammerhead sharks are caught in fisheries all over the … See more Among Torres Strait Islanders, the hammerhead shark, known as the beizam, is a common family totem and often represented in … See more
Smooth Hammerhead Shark - Oceana
WebMar 3, 2024 · The scalloped hammerhead shark (Sphyrna lewini) is listed as globally endangered on the IUCN’s Red List. The principal conservation problem facing this species is its population decline. This problem, driven by the high economic value of its fins and the consumption of its meat, has led to the species being overfished during all stages of its … WebThe smooth hammerhead (Sphyrna zygaena) is listed by the IUCN on its Red List of Threatened Species as Vulnerable as its population worldwide may drastically decline unless efforts are put in place to secure its survival. Sphyrna zygaena is a large-bodied and highly mobile hammerhead shark with active and strong swimming capacities. The maximum … raceready training
Winghead shark - Wikipedia
WebTaxonomy and phylogeny. Despite being one of the most easily recognizable sharks, the smalleye hammerhead has had a long history of taxonomic confusion that still remains to … WebHammerheads are a family of sharks that are known for their oddly shaped heads. These sharks reside in oceans worldwide, particularly in warm waters and near the coast. Unlike most sharks, many species of hammerheads are social, and swim in schools during the day. These schools do not remain together overnight however, as hunting is solitary. WebTaxonomy. Order Carcharhiniformes (ground sharks), Family Sphyrnidae (hammerhead sharks) The hammerhead sharks are an unmistakable group of sharks that can be … shoe company sherwood park