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Chain food shark

A great article about the number two shark on the food chain. This shark is a fascinating creature. Read this to find out why!
A fossilized shark that swallowed a crocodile-like amphibian that, in turn, had gobbled up a fish has now been unearthed. This exceptional find marks the first time scientists have found direct evidence of such a complex, extinct food chain. Prey, especially in the gut or intestines of fossil organisms, are very rarely preserved...
cool..
Overfishing has disproportionately reduces the numbers of the ocean’s ‘apex predators’ and large sharks are disappearing particularly fast. Their absence allows their prey to flourish and the consequences of that can be disastrous for animals at the bottom of the food chain, and the humans that depend on them.
The overfishing of large shark species off the eastern seaboard of the United States has upset the balance of marine life, a team of Canadian and U.S. scientists says. "We're chopping off the top of the food chain. So many sharks have been killed, which means they can no longer perform their role of controlling middle predators"...