Wednesday, March 10, 2010

Explore Deeper......

The largest and most powerful fish in the prehistoric times was most probably the Megalodon which mean "big tooth" in Greek. It was a giant shark that lived approximately 25 to 1.5 million years ago, and was a super-predator. Its maximum size is theorized by experts to be around 20.3 metres in length and 114 short tons in weight. This makes it the largest shark in vertebrate history and also one of the biggest hyper-carnivorous predators ever known. Experiments conducted by scientists have shown that its bite force is 5 times greater than that of a T.Rex! Its teeth are morphologically similar to great white shark teeth but are more robust. They are more regularly serrated, much larger and exceeding 18 cm in slant height. However, it is not yet clear why C. megalodon became extinct after millions of years of dominance. Several factors like climatic upheavals, changes in the food chain, cannibalism and competition may have been involved.

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