There are thirty-three ocean dolphins, five river dolphins, and six different kinds of porpoises. They have adapted to all of the oceans of the world. Dolphins evolved in the ocean, while hoofed animals evolved on land. Habitat Dolphins live in warm water and cold water. It depends on the seasons.
Some dolphins live in really deep water and some dolphins live in more shallow water.
Most dolphins live in salt water. Dolphins live all over the ocean in different places. Pods Dolphins swim in pods. Most dolphins swim in large pods. A dolphins pod has 2 to 12 dolphins.