Whale sharks. Are they whales? Are they sharks? This amazing creature is actually a shark. It is called a whale shark due to its enormous size, and because sharks are fish, the whale shark is the ...

Rainer Schimpf, 51, was diving off the coast of South Africa with a documentary crew in February when the breaching whale reached the surface, its mouth wide open.

The blue whale is so large, it dwarfs a pod of dolphins swimming in front of it. The dolphins quickly scatter as the whale opens its huge mouth and ... up to krill and open their large mouths ...