Terms of Service and Privacy Policy. If you picture a megalodon, chances are you envision what amounts to a gigantic great white shark. The image is understandable ...

a) Silhouettes of the lemon shark (Negaprion brevirostris), the great white shark (Carcharodon carcharias), and the common porbeagle (Lamna nasus) in lateral (gray) and dorsoventral (black) views. b) ...

They feed on her unfertilized eggs or unborn embryos. The births are live. Examples of fish with this type of reproduction include the shortfin mako and porbeagle sharks. Hemotrophic means ...