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Whale sharks have unique spot patterning on their sides, similar to a human fingerprint, which allows for individual identification. Scuba divers around the world can photograph sharks and upload their identification photographs to the Sharkbook website, supporting global research and conservation efforts.
This torpedo-like shark can be spotted around 10 miles off the southwest coast of England in summer months. They can grow up to 12ft (3.8m) long and are known to give birth to as many as 50 live ...
She gained international media attention for free diving with sharks, including great white sharks, to raise awareness about shark conservation and promote her business. [6] [2] [7] [8] Ramsey is based in Hawaii, and has dived with 47 species of sharks around the world as of 2019. [1] Ramsey swimming with shark in trailer for She is the Ocean ...
Shark finning yields are estimated at 1.44 million metric tons (1.59 million short tons) for 2000, and 1.41 million metric tons (1.55 million short tons) for 2010. Based on an analysis of average shark weights, this translates into a total annual mortality estimate of about 100 million sharks in 2000, and about 97 million sharks in 2010, with a ...
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 556 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
The selected pictures are what we believe to be the best pictures on Wikipedia related to sharks.Any image that is featured or valued on the English Wikipedia, or featured, valued or considered high quality on Wikimedia Commons, and is used in one or more articles within the scope of WikiProject Sharks, automatically qualifies, and may be added below.
Image Common name Genera Species Description Alopiidae: Thresher sharks: 1 3 [14] Thresher sharks are large sharks found in temperate and tropical oceans around the world. The common name refers to its distinctive, thresher-like tail or caudal fin which can be as long as the body of the shark itself. Cetorhinidae: Basking sharks: 1 1
The ISRA criteria take into account the complex biological and ecological needs of sharks. There are four criteria and seven sub-criteria. Important Shark and Ray Areas (ISRA) are discrete three-dimensional portions of habitat that are important for one or more species of chondrichthyans (sharks, rays and chimaeras) and have the potential to be managed for conservation. [1]