Reconstruction of Megalodon, (O. megalodon) extinct species of shark which lived between the Eocene and the Pliocene Period. Drawing. (Photo by DeAgostini/Getty Images) Fish, as a diverse group, have ...

Approximately 99.9% of fish and shark species are 'cold-blooded', meaning their body tissues generally match the temperature of the water they swim in -- but researchers have just discovered the ...

Add Yahoo as a preferred source to see more of our stories on Google. Recently, we dove deep on the world’s smallest shark (the dwarf lanternshark) and now we’re swinging to the other end of the shark ...

Note: Before we get started, let’s define what pelagic actually means. “Right now, the word pelagic can be a little obscure”, he explains. “But it refers to the open ocean, so the offshore, high seas ...

Whale sharks, Rhincodon typus, are the largest fish in the world. They can trace their ancestry to the Jurassic and Cretaceous periods, 245–65 million years ago, and are members of the ...

A megamouth shark that stranded in the Philippines is the first pregnant individual ever recorded in this rare species. The finding confirms that megamouths (Megachasma pelagios) are ovoviviparous: ...

Many sharks and rays are known to breach, leaping fully or partly out of the water. In a recent study, colleagues and I reviewed research on breaching and ranked the most commonly hypothesized ...

How many spotted sharks have been spotted? In Donsol at least, 377. How many spotted sharks have been spotted? In Donsol at least, 377. High-tech satellite tags, waterproof cameras and hefty lungs are ...