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Shark net – submerged net placed around beaches to reduce shark attacks on swimmers; Shark proof cage – cage from which a SCUBA diver can examine sharks more safely; Shark repellent – method of driving sharks from an area, object, person, or animal Magnetic shark repellent – use of permanent magnets to repel sharks
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.
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 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
• Newborn basking sharks are around 1.5 to 1.7 meters (4.9 to 5.6 ft) in length (1.5 m shown in the diagram above). [1] [3] • The size at maturity for each sex is unclear and varies from source to source. For male basking sharks, stated maturity sizes range from between 4.6 to 7.5 meters (15 to 25 ft) in length.
Experts have identified a great white shark 200 yards off the shore of South Padre Island. Here's what we know. Meet LeeBeth. Don't let her sweet name fool you!
The tail of a shark consists of the caudal peduncle and the caudal fin, which provide the main source of thrust for the shark. Most sharks have heterocercal caudal fins, meaning that the backbone extends into the (usually longer) upper lobe. The shape of the caudal fin reflects the shark's lifestyle, and can be broadly divided into five categories:
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An initiative of the Benioff Ocean Science Laboratory at the University of California, Santa Barbara, is monitoring great white sharks near California’s Padaro Beach. Sharks are congregating at ...