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harina [27]
3 years ago
14

Cool facts about blue sharks

Biology
2 answers:
enyata [817]3 years ago
5 0
The aerodynamic shape of the blue sharks allows it to move elegantly through the ocean.
ipn [44]3 years ago
3 0
<span>1.Blue sharks have electroreceptors concentrated in their heads. They can sense a heartbeat of another fish from several miles away. The organ is called the “ampullae of Lorenzini.



2.”They are among the few Viviparous sharks in the ocean. Females give birth to live pups




3.When mating, male sharks are very aggressive. They are seen biting the females but that is part of mating. The skin of female sharks is 3 times thicker than male skin.


4.Blue Sharks survive poorly in captivity. Most of them survive for less than a month. Although the record of blue shark kept at captivity is 7 months.Blue Sharks are seen jumping out of the sea in search of their prey.


5.As Blue Sharks are often seen in groups, and sometimes referred to the “wolves of the sea.

6.”The main predators of blue sharks are humans. Approximately 15 to 20 million Blue Sharks are killed every year due to humans who capture them. They are hunted for their skin, fish oil, teeth and fins.
<span>

7.Blue sharks are listed as “Near Threatened” in the Red list of IUCN.</span></span>
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