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Large numbers of milk sharks are caught commercially and sold as food. The milk shark is harmless to humans because of its small size and teeth. [15] Caught using longlines, gillnets, trawls, and hook-and-line, this shark is marketed fresh or dried and salted for human consumption, and is also used for shark fin soup and fishmeal.
Shark meat is popular in Australia, where it is known as flake. Flake is sourced primarily from gummy shark, a small, bottom-feeding species abundant along the east coast of Australia. However, due to the depletion of Australian and then New Zealand shark stocks, this demand is increasingly being filled by gummy sharks sourced from South Africa.
Shark migration patterns may be even more complex than in birds, with many sharks covering entire ocean basins. Sharks can be highly social, remaining in large schools. Sometimes more than 100 scalloped hammerheads congregate around seamounts and islands, e.g., in the Gulf of California. [39] Cross-species social hierarchies exist.
Of 548 known shark species, ... Researchers with SeaWorld say sharks only eat anywhere between 1% and 10% of their ... Instead of swearing off the ocean, he went on to study sharks intently, ...
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Batomorphi is a clade of cartilaginous fishes, commonly known as rays, this taxon is also known as the superorder Batoidea, but the 5th edition of Fishes of the World classifies it as the division Batomorphi. [2] They and their close relatives, the sharks, compose the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes ...
Ever since the movie "Jaws" popularized great white sharks as predatory man-killers, people have had misconceptions about these animals. That is why researchers have been doing everything they can ...
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...