Finding:

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   Shark

   It is also believed that sharks use the upper lobe of their tails to counter the lift generated by their pectoral fins. ... The shark uses this to detect the movements of other organisms, especially wounded fish.
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   The Most Extreme

   (No. 4: Hippopotamus) Its jaw can extend 170 degrees. ... (No. 7: Sand Tiger Shark) Uses mirrors to help see in the dark, and can reflect 90% of all colors.
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   Jersey Shore shark attacks of 1916

   Academics were skeptical that a shark could produce fatal wounds on human victims. ... Bites Off Both Legs of a Youth Swimming Beyond Spring Lake Life Lines.
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   Drum lines

   Current Uses ... The results of the statistics show that the drum line has a similar effectiveness of reducing shark attacks, however it has a much lower environmental impact as far less sharks are killed using drum lines as opposed to gill nets.
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   Shark senses and behaviors

   In an attack, the shark uses, first, its lower teeth to puncture and hold the prey in prey and follow with using the upper teeth to slice the prey.
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   Banjo shark

   The thornback uses its pectoral fins by flapping and moving them in a wave like motion in order to glide through the water, where as the shark uses them to steer and for lift. ... The Banjo shark and Flounder are not related but have both evolved these features along separate evolutionary lines.
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   Bonnethead

   If a crab is caught, the bonnethead shark uses its teeth to grind its carapace and then uses suction in order to swallow the crab whole.
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   Great white shark

   Great white shark caught off Hualien County, Taiwan on May 14, 1997.
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   List of sharks

   Hexanchiformes: Examples from this group include the cow sharks, frilled shark and even a shark that looks upon first inspection to be a marine snake.
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    Goblin shark

    In addition, they are sometimes found entangled by deep-sea fishing lines. ... "Goblin Shark (Mitsukurina owstoni) Specimens in the Scientific Literature".

Explore the following pages on Powerset:

• Shark,
• The Most Extreme,
• Jersey Shore shark attacks of 1916,
• Drum lines,
• Shark senses and behaviors,
• Banjo shark,
• Bonnethead,
• Great white shark,
• List of sharks,
• Goblin shark