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10 Amazing but Endangered Shark Species (Slideshow)

Dusky Shark (Carcharhinus obscurus) – Near Threatened/Vulnerable

The dusky shark is a species of requiem shark that can be found in tropical and warm-temperate continental seas worldwide. One of the largest members of its genus, the dusky shark reaches 4.2 m (14 ft) in length and 347 kg (765 lb) in weight. “The International Union for Conservation of Nature (IUCN) has assessed this species as Near Threatened worldwide and Vulnerable in the northwestern Atlantic and the Gulf of Mexico. The American Fisheries Society has also assessed North American dusky shark populations as Vulnerable. Its very low reproductive rate renders the dusky shark extremely susceptible to overfishing. Stocks off the eastern United States are severely overfished; a 2006 stock assessment survey by the U.S. National Marine Fisheries Service (NMFS) showed that its population had dropped to 15–20% of 1970s levels.” (source)

See also: Shark Week: Interesting Facts About Sharks!

Photo Credit: shishihenge (SeaWorld Shark) [CC-BY-2.0], via Wikimedia Commons



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9:15AM PST on Feb 11, 2013

Beautiful, shared!

8:55AM PDT on Oct 9, 2012

the dusky shark, zebra shark and whale shark are magnificent. wow

11:09AM PDT on Aug 22, 2012

Thanks. People need to know more about this subject to be able to stop the killings of the sharks.

10:45AM PDT on Aug 22, 2012

Thank you for sharing!

8:38AM PDT on Aug 22, 2012

in awe

5:41AM PDT on Aug 22, 2012

Thank you

12:55PM PDT on Aug 21, 2012

thanks for sharing

9:38AM PDT on Aug 21, 2012

Beautiful animals, so tragic they are endangered.

4:24AM PDT on Aug 21, 2012

Instead of 'Jaws' perhaps they should make another movie: 'Dentures'?

2:56AM PDT on Aug 21, 2012

As alterações do clima os oceanos estão aquecer o aumento da acidez das águas dos mares destroi a base de vida nos oceanos e está em risco centenas de milhões de especies é trágico e sem sentido é uma vergonha Obrigado pela informação

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