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Nurse sharks are an important species for shark research. [3] They are robust and able to tolerate capture, handling, and tagging extremely well. [4] As inoffensive as nurse sharks may appear, they are ranked fourth in documented shark bites on humans, [5] likely due to incautious behavior by divers on account of the nurse shark's calm ...
The largest species, called simply the nurse shark Ginglymostoma cirratum, may reach a length of 4.3 m (14 ft); the tawny nurse shark Nebrius ferrugineus is somewhat smaller at 3.2 m (10 ft), and the short-tail nurse shark Pseudoginglymostoma brevicaudatum is by far the smallest at just 75 cm (2.46 ft) in length. The first of the three species ...
Porbeagle shark was eaten by a warm-blooded predator, team says. Sulikowski said the team put two different tags on their subject sharks. The first tag, called a finmount tag, is located on the ...
Greenland sharks are born alive (a process known as ovoviviparity) after an estimated gestation period of 8–18 years. [5] Estimates of litter size have varied across studies. Some studies suggest that this species produce up to 10 pups per litter, each initially measuring some 38–42 cm in length. [ 42 ]
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The entire body of a shark is a very efficient eating machine. Each organ has been fine-tuned for hunting and acquiring food. Sharks are built to feed: Here's why they are the ultimate eating machines
Sharks are the top predators in our oceans, and as such they are important for the marine ecosystems as important regulators of other species. They eat the weak, the old and the dead animals. The grey nurse sharks eat mainly lobsters, crabs, smaller sharks, fish, rays and squid.
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