Leopard Shark
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Leopard Shark

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Leopard Shark Leopard Shark Presentation Transcript

  • Leopard Shark EmilyWard 2B 6
  • Description • AverageWeight: 40lbs • Length: 4-6 feet • The shark is covered with dark saddles and splotches. The dorsal coloration varies from silver to a bronzed gray.The ventral coloration is lighter and sometimes white. The shark is referred to as “pavement- toothed.” There is a large flattened and rigged surface on both jaws. 1, 2
  • Habitat The leopard shark is most commonly found in sandy or muddy bays and in estuaries either at or near the bottom of the Eastern Pacific Ocean. The sharks generally try to stay in one area and not make long journeys elsewhere. 2, 4
  • Endangered Status • The leopard shark is considered to be at “lower risk” of being endangered by theWorld Conservation Union (IUCN). The sharks have a slow growth rate and reproduction rate making the numbers of the sharks drop. The sharks are also threatened by over- fishing. 2, 3
  • Diet Zoo • Leopard sharks eat invertebrates, including: shrimp, crabs, clams, and octopi. Wild • Leopard sharks eat primarily invertebrates near the ocean floor and small fish. They eat shrimp, crabs, octopi, fat innkeeper worms, clams, and fish. 1, 2, 8
  • Reproductive History Female leopard sharks are ovoviviparous meaning their offspring are in eggs inside the shark until it is time to deliver them and then they hatch inside the female shark and come out alive. Leopard sharks can produce litters of 4 to 33 pups. The female shark carries her pups between 10 and 12 months and delivers them between April and May. 2, 9
  • Life Span • Leopard sharks reach full maturity when they are 10 years old. The sharks live to about 30 years in human care. 1, 10
  • Fun Facts • Unlike most sharks, the leopard shark travels in schools. • Leopard sharks do not pose a threat to humans due to their skittish and cautious nature. There has only been one reported attack which was in 1955. • The leopard shark has the ability to absorb oxygen allowing it to swim in murky and muddy waters. 7
  • Taxonomic • Order: Carcharhiniformes • Family:Triakidae • Genus: Triakis • Species: T. Semifasciata Evolutionary History • Leopard sharks are members of the houndshark family, Triakidea. The sharks closest living relative is the zebra shark. Leopard sharks have been around since the world was created. 5, 6, 11
  • Works Cited 1. "Animals." Minnesota Zoo. N.p., n.d. Web. 02 Apr. 2014. 2. "FLMNH Ichthyology Department: Leopard Shark." FLMNH Ichthyology 3. Department: Leopard Shark. N.p., n.d. Web. 19 Apr. 2014. 4. "Leopard." Best Animal Facts. N.p., n.d. Web. 5. "Leopard Shark." Wikipedia. Wikimedia Foundation, 04 Feb. 2014. Web. 02 Apr. 2014. 6. "Leopard Sharks, Triakis Semifasciata." MarineBio.org. N.p., n.d. Web. 02 Apr. 2014. 7. "Leopard Shark Facts." Bite by a Shark. N.p., n.d. Web. 16 Apr. 2014. 8. "Made in the Ocean: Shrimps." Deep Blue Home. N.p., 6 July 2012. Web. 19 Apr. 2014. 9. "Management & Conservation." Management & Conservation. N.p., n.d. Web. 19 Apr. 2014. 10. "The Marine Mammal Center." The Marine Mammal Center. N.p., n.d. Web. 19 Apr. 2014. 11. "Zebra Shark." Wikipedia. Wikimedia Foundation, 18 Apr. 2014. Web. 19 Apr. 2014.