1. Different categories: Although dolphins and sharks live in the ocean, they do not belong to the same species. Dolphin is a kind of whale, which belongs to mammals. Sharks are not mammals, they belong to a kind of fish, and belong to large fish.
2. Different ways of breathing: Dolphins and sharks have different ways of breathing. As mammals, dolphins use lungs to breathe, and need to come to the surface regularly to breathe; Sharks, as a kind of fish, use gills to breathe.
3. Different body temperatures: The body temperatures of dolphins and sharks are different. As mammals, dolphins are endotherms. Sharks are fish and belong to poikilotherms in terms of body temperature.
4, different habits: dolphins and sharks are also different habits. Dolphins are highly social animals, and they generally appear in groups. Sharks, on the other hand, do not often appear in groups. In particular, some large and fierce sharks are generally alone.
Sharks are among the oceans of a very fierce animals, their teeth are very sharp. In the marine food chain, sharks are in a relatively high position, they can use many organisms in the ocean as their food. Dolphins are also marine animals. If a single dolphin is compared with a shark, then generally speaking, the shark is more powerful, because their lethality is stronger, and they may tear the dolphin apart.
However, dolphins are social animals. They usually appear in groups. At this time, a group of dolphins is more powerful than sharks. Groups of dolphins can be said to be the natural enemies of sharks. They will first surround the shark, and then attack the shark's side one by one, at which time the shark's internal organs may be injured, thus losing the power of attack.
