Blue whale is bigger than whale shark. Blue whales belong to a kind of whales, which are the largest species of whales. Adult blue whales will be about 30 meters long and weigh up to 150 tons. It belongs to one of the larger creatures in the ocean. Whale sharks are a species of sharks. Although they are also relatively large species of sharks, their body length in adulthood is generally only about 20 meters, and the largest one will not exceed 30 meters, and their weight is all about 30 tons. Therefore, blue whales will be larger than whale sharks.

Although whale sharks are relatively small in size, they are also large marine creatures. They are fierce in character and have strong predation ability, so they are one of the large predators.

Blue whale is whale and whale shark is shark. As mentioned above, the size of blue whales will be much larger than that of whale sharks, so from the point of view of size suppression, blue whales will be more severe. Secondly, blue whales breathe with lungs, while whale sharks breathe with gills. Under normal circumstances, fish breathing with lungs will be more efficient, so blue whales may have stronger attack power. Of course, this is only an objective judgment. In fact, whale sharks will not take the initiative to approach blue whales, so there are few fights between them.