Argumentative Essay About Sharks

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FRANCES WALDEN CONSERVATION BIOLOGY WRITE UP OF ENDANGERED SPECIES DECEMBER 6TH, 2007 THE ANGEL SHARK (Squatina squatina). In the past few decades, the interest by many in protecting and preserving the world’s biodiversity have increased. Human activities, around the globe, possess a threat to biological communities. It has been proposed that many biological species will go extinct in the coming decades (Richard Primack, 2004). One such biological species which is going extinct is the angel shark. The Angel sharks are flat-bodied sharks, very ray-like, with broad pectoral fins that bury themselves in the sand or mud with only the eyes and part of the top of the body exposed. They have a blunt snout…show more content…
Angel sharks have small, sharp teeth in trap-like jaws. They eat fish, crustaceans, and mollusks. All angel sharks capture their prey by ambush. Lying almost invisible beneath a layer of sand or silt, they wait until a hapless victim approaches before engulfing it with lightening speed, in its trap-like jaws. Their narrow pointed teeth are ideal for holding prey, most of which is swallowed whole. Tests on the feeding habits of angel sharks have shown that they react to any passing prey, spitting out anything that does not appeal to their appetite. They have complete faith in their camouflage when approached by divers but will inflict a shallow bite if harassed. The various species of Angel sharks range in size up to 6.5 feet (2 m) long and are mostly bottom dwellers that live on ocean floors of depths from 10 to 4,300 feet (3 to 1300 m). They sometimes prefer however, sandy near shore habitats. They live in warm temperate oceans in the southern hemisphere. The angel shark can mostly be found in the Northeast Atlantic from Southern Norway, Sweden and the Shetland Islands of Morocco,

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