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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.
In the last six years, we've even seen the occasional fin pass by in the ocean and played in shallow waters where we've had to take pause while a herd of nurse sharks passed by (unnerving, yes ...
Greenland sharks have also been found with remains of moose, polar bear, horse, and reindeer (in one case an entire reindeer body) in their stomachs. [26] [27] [28] The Greenland shark is known to be a scavenger and is attracted by the smell of rotting meat in the water. The sharks have frequently been observed gathering around fishing boats. [26]
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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 cookiecutter shark (Isistius brasiliensis), also called the cigar shark, is a species of small squaliform shark in the family Dalatiidae.This shark lives in warm, oceanic waters worldwide, particularly near islands, and has been recorded as deep as 3.7 km (2.3 mi).