Related topics: sharks

The shark, a predator turned prey

Sharks may strike terror among swimmers at the beach but the predators are increasingly ending up as prey, served up in fish-and-chips shops, sparking concern among environmentalists.

How fish evolved to walk

When you think about human evolution, there's a good chance you're imagining chimpanzees exploring ancient forests or early humans daubing wooly mammoths on to cave walls. But we humans, along with bears, lizards, hummingbirds ...

Fish out of water: Gene clue to evolutionary step

Two genes controlling a tissue protein may have played a role in the key period when fish shed their fins and became limbed land-lovers, a study published by Nature on Thursday said.

Walking sharks discovered in the tropics

Four new species of tropical sharks that use their fins to walk are causing a stir in waters off northern Australia and New Guinea.

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