Sharks and whales are both large sea creatures, and they are both higher up in the food chain. Generally speaking, the two are more powerful compared to sharks, as sharks have a more aggressive character, while whales are generally more docile. However, there are also natural enemies of sharks, such as killer whales. When it comes to killer whales, sharks generally avoid them.

Whales are important members of the sea animals, shaped like fish, commonly known as whales. There are many species of whales, more than 80 species around the world and more than 30 species in our waters. They are generally divided into two categories. A class of mouth with baleen without teeth, called baleen whales, *** 11 species; another class of mouth with teeth without, called toothed whales, *** more than 70 species. Shark teeth are composed of dentine, osteodentine and enamel-like, which evolved from shield scales. The morphology of the teeth for one of the basis of classification, shark teeth styles, comb-shaped comb-shaped teeth, before and after the teeth of the different heteromorphic teeth, three cusps of the three peaks of the teeth, more than 5-7 cusps of the multi-peak teeth, with a large side of the single peak of the teeth of a large flattened teeth, teeth of the number of small paving stone-like teeth, the number of fine granular teeth and teeth of the broad flat cut teeth *** 8 kinds of styles.