The great hammerhead shark is found in a variety of water depths ... Their sharp triangular teeth are heavily serrated and have an elongated dorsal fin that is easy to identify.

Elke Maier was mauled by an unidentified shark during a horror beach attack in which the monster fish sank its teeth so deep ...

John Long is a palaeontologist who has studied in depth the 450-million-year history of sharks. When Professor Long joined ABC Conversations he schooled Richard Fidler on some impressive facts about ...

The great hammerhead shark’s gestation period lasts for 11 ... Their sharp triangular teeth are heavily serrated and have an ...

That is why shark teeth are the most abundant vertebrate fossil material on the Earth and in the sea. Scalloped hammerhead on the reef. NOVA: Do sharks have to keep swimming to breathe?