How Animals live in the Water ?

Water animals are generally fish and insect species. Some fish live in fresh water, while others live in salt water. In addition, some crab and turtle species also live in the water. There are some birds that use the sea to hunt among the aquatic animals. Although other aquatic creatures are also found, fish use most of the water. Some mammals also live in the water. Seal and whale are at the head of these animals.