They feed on any aquatic cold-blooded creature such as turtles and fish.

Cold-blooded creatures such as reptiles are particularly vulnerable, as they can survive only within a limited range of temperatures.

I think it will reveal to people the surprising and intimate lives of some of the cold-blooded creatures who have ruled the earth for nearly 200 million years.

Given that cold-blooded creatures rely on their surroundings to regulate body temperature, relatively stable marine ecosystems have actually made their inhabitants more susceptible to significant temperature changes.