Evidence for this function first came from studies of the organ's anatomy and its nerves as well ... Its teeth are designed not so much to grab or slice fish but to prevent them from escaping ...

For decades, the coelacanthexisted only in fossil records—until one turned up in a South African fishing net. It was 1938 ...

Bodies: The shape of a fish's body depends on the fish's habits. For example, the body may be streamlined for faster swimming, as in the barracuda. They may be flattened from side to side ...