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In a milestone decision in 2013, CITES prohibited international trade in the fins of the scalloped hammerhead (pictured) and four other shark species. [5] Shark species are increasingly becoming threatened because of commercial and recreational fishing pressures, the impact of non-shark fisheries on the seabed and shark prey species, and other ...
Shrimp and spoon worms are important prey for sharks up to 70 cm (28 in) long; cephalopods predominate in the diets of larger sharks. [ 6 ] Mating occurs during the summer, and involves the male swimming parallel to the female and gripping her pectoral fin with his teeth; thus secured, he then twists the distal portion of his body to insert a ...
The World's 100 most threatened species [1] is a compilation of the most threatened animals, plants, and fungi in the world. It was the result of a collaboration between over 8,000 scientists from the International Union for Conservation of Nature Species Survival Commission (IUCN SSC), along with the Zoological Society of London . [ 2 ]
For years, the icy waters off Antarctica have served as a recording studio for the biggest singers in the world: blue whales. Their songs, picked up by sensors bobbing along the surface, tell a ...
Overfishing of this species led to it being listed as Endangered by the IUCN in 2019. Thresher The unique tail of the thresher lands it higher up the shark size rankings than its body would suggest.
This species is endemic to the temperate waters off the coast of South Africa. This common shark is found on or near the bottom in sandy or rocky habitats, from the intertidal zone to a depth of 130 m (430 ft). Typically reaching 60 cm (24 in) in length, the puffadder shyshark has a slender, flattened body and head.
Furthermore, this shark has prominent black tips on its pectoral fins, second dorsal fin, and caudal fin lower lobe. The Pondicherry shark is critically endangered. It was once found throughout Indo-Pacific coastal waters from the Gulf of Oman to New Guinea, and is known to enter fresh water. Fewer than 20 specimens are available for study, and ...
A small, gray shark reaching 65 cm (26 in) in length, this species is the only member of its genus with a row of enlarged pores above the corners of its mouth. It has a slender body with a long, pointed snout and a low second dorsal fin placed posterior to the anal fin origin. Almost nothing is known about the natural history of the Borneo shark.