Friday, October 19, 2012

Tiger Shark

The Tiger shark is a relatively common resident along our east coast and has the distinct features of a requiem shark. It has a short, blunt snout, long upper labial furrows, and a big mouth with large, saw-edged, cockscomb-shaped teeth. Spiracles present. The Tiger shark has a dark grey color with vertical tiger-stripe markings that can fade or be obsolete in adults. It's average size is about 400cm to 650cm with a maximum length of about 800cm. This species lives worldwide in coastal and pelagic waters ranging from the surface to a depth of 140m (up to 350m). It has a wide tolerance for different marine habitats, but seems to prefer turbid waters, occurring on or adjacent to the continental and insular shelves. It is often found in river estuaries, close inshore and in coral atolls and lagoons. Tiger sharks are nocturnal and shows cycles of inshore movement at night and retreat to deeper water during daytime. Tiger sharks are mainly solitary.

The Tiger Sharks meal plan is fish,other sharks, turtles,birds,and any garbage.The maximum length is about 5.5m. As it has such a large variety of food it might be considered potentially dangerous to humans although it is more likely to feed on humans already dead from other causes.Their uniquely shaped teeth are highly evolved and therefore allow them to feed on different food items, preventing potential food shortages that could arise with selective feeding.The size of pups at birth is between 50cm and 75cm. The pups are very slender and look different than the adults, different markings are present too.

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