Dolphins are one of the most loved marine animals, though most people only get to see the species that live in the ocean.For Valentine’s Day, we decided to do a little research on one of the most unique species: the Amazon pink river dolphin.

Dolphins are cetacean mammals that live in marine and continental waters. Here we’ll look at five of the most common dolphin species. Dolphins belong to a group of mammals called cetaceans.Cetaceans include all whales and dolphins. There are over 80 species of cetaceans, a group made up of whales, dolphins and porpoises. Dolphin is a common name of aquatic mammals within the infraorder Cetacea.The term dolphin usually refers to the extant families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), and Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese river dolphin). There are over 40 currently known species of dolphins — including killer whales and pilot whales, which actually belong to the dolphin family. Currently there are 49 dolphin and porpoise species which are grouped into six families: the oceanic dolphin family is by far the largest with 38 members; the porpoise family has seven members; and there are four river dolphin families, each containing just one species. Others, like dolphins, are "toothed whales." There’s a lot to love! Their eyes are small and weak as they rely nearly entirely on their echolocation in the shallow muddy water of the rivers. However, classification is not an exact science and as more information… Although the marine bottlenose dolphin is the most famous dolphin species, there are freshwater dolphins such as the river dolphins that live in rivers in Asia and South America.. ... 5. Common dolphin Some cetaceans, like the blue whale, are baleen whales and have horny plates hanging from their upper jaw that are used to strain food from the ocean. The Indus River dolphin is large, reaching up to 200 pounds and 8.5 feet long. Ganges River Dolphin (Platanista gangetica) Most of the Ganges River dolphins live in the waters of the Brahmaputra Rivers. 9 Endangered Dolphin Species - Status - Conservation, Further information about how many dolphins species which got status as critically endangered. Despite many protections including a moratorium on whaling since 1986, many species of cetaceans continue to be threatened – with some on the verge of extinction. This freshwater dolphin lives in the Indus River in Pakistan and India.

Learn more about whales and dolphins and what we can do to protect them. They are very intelligent animals with an enormous capacity of communication between them. Dolphins are among everyone’s favorite marine species, and they live in all the world’s oceans and in some rivers as well.