1 Pain: Persistent mouth pain is another common oral cancer sign. 2  A lump or thickening in the cheek. 3  A white or red patch on the gums, tongue, tonsil, or lining of the mouth. 4  A sore throat or feeling that something is caught in the throat that does not go away.
Blue whales are the largest predator to ever inhabit this planet, though it is thought to feed almost exclusively on tiny, shrimp-like creatures called euphausiids or krill. Feeding is usually at depths less than 100 m; harpooned animals have dived as deep as 500 m.lue whales, Balaenoptera musculus (Linnaeus, 1758), like all rorquals (Family Balaenopteridae, the family that includes the blue whale, Bryde's whale, fin whale, humpback whale, minke whale, and sei whale), are long, slender whales that are much more streamlined than other large whales.
And I think blue sharks are more aggresive than whale sharks. _ The blue whale is the largest mammal on Earth. The underside of its flippers are almost white, while the rest of its body is blue grey. The average blue whale is 75 to 80 feet long and weigh up to 110 tonnes.Females are larger and can weigh up to 150 tonnes.he Whale Shark, like the Blue Whale, are both filter feeders. Blue Whales (Balaenoptera musculus), on the other hand are class mammalia--- they're mammals, as we are. They are warm blooded, have hair, bear and nurse their young alive. As with all Mysticetes (the sub class), they are filter feeders.