Sharks

Length: 2 Pages 535 Words

Sharks Sharks belong to the chondrichtyes group of species, around 340 different types. Rays, chimaeras and skates also share the structure as the shark. They are different from boney fish because of there cartilaginous skelotons making movement more keen and versatile. From the biggest of sharks, the whale shark to badest of sharks, the great white shark and even the smallest sharks, such as the cookie cutter shark all are keen hunters. Hunters like the hammer head and the bull shark hunt for food, while the bigger sharks like the basking shark swim through the ocean and collect plankton. Most sharks have the same skin characteristics. Gray in color, with leather like skin with sharp, pointed placoid scales that does not grow as the animal ages. One remarkable feature of sharks is their Continue...


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They are sensitive to sounds and have good directional hearing. Instead their teeth are embedded in fibrous membranes. These keen senses helps the shark in there success to hunt for food. Their whole teeth are so amazing if they attack a larger fish and teeth break off, they are replace by new teeth. Eggs usally are layed on rocks or plant live ancored with tendrils and there leathery shells protect them. They are able to detect movement in the water and the sand for underground hiding prey. Sharks rob the fisherman of their catch, attacking the trawls filled with fish. Sharks have rows of teeth that are not attached to the jawbone. Sharks with ther acute senses have the ablility detect the smallest of things in the water like blood to give them a path to potential food Sharks do not have good eye sight, however, their inablility to see is made up with all other senses. Sharks dont have swim bladders, there for, when not moving sharks will sink. Also humans have acquried a taste for shark, comparing it to swordfish. Sharks during breeding season live off there stored fats or lipids for long periods of time so eating of the young and each other is avoided. Even the most dangerous shark plays an important role in the ocean similar to large animals on land.

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