Different Kinds of Dolphins
"There are mainly two different kinds
of dolphins.."
The first type is those that live in salty ocean waters; and and the second - those that live in freshwater rivers.
Oceanic Dolphins
The group of oceanic dolphins include Bottlenose, Spinner, Spotted, Striped, Clymene, Common, Frasers, White-sided, White-beaked, Hourglass, Peales, Dusky, Commersons, Chilean, Heavisides, Hectors, Rough-toothed, Rissos, Irrawaddy, Australian Snubfin and Right Whale Dolphins; Atlantic, Pacific and Indian Humpback Dolphins, Tucuxi, and some species called whales such as melon headed, pilot and killer whales (including Orca, False Killer Whale and Pygmy Killer Whale).
River Dolphins
River Dolphins live in inland rivers (freshwater), or, in one case, in coastal rivers and river mouths (estuarine waters). They are the most endangered dolphins because their habitat is restricted to rivers that get polluted - oceanic dolphins are less affected by pollution.
There are only five species of river dolphins and they include Boto or Amazon River Dolphin (the most famous, also known as Pink Dolphin); Baiji, aka Chinese River Dolphin; Ganges River Dolphin, Indus River Dolphin; and La Plata Dolphin, which lives along the south-eastern coast of South America.
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