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.
It's blue.    It is called the Blue Whale because it is a slight blue couler.    because earlier it was found that their body colour resemble with blue coloured sulp â¦ hates which is present at the bootom of the sea, we can also say that they are blue in blue in colour thats why. think it is a variation of Killer of Whales Killer whales are one of the top predators in the sea. They tend to eat almost anything that they come across, their diet depe â¦ nding on exactly what is living in their home waters.