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A Dose of Dolphin-Induced Dopamine: 8 Species of Adorable Cetacean: Media

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Dolphin
Bottlenose dolphin, (genus Tursiops), any of two or three species of oceanic...
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dolphin family
The dolphin family of whales includes common dolphins, bottlenose dolphins, killer...
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bottlenose dolphins
Bottlenose dolphins (Tursiops truncatus) are among the free-swimming animals...
Flip Nicklin/Minden Pictures
common dolphin
Common dolphin (Delphinus delphis) compared to a human in size.
Encyclopædia Britannica, Inc.
river dolphin
Amazon, or pink, river dolphin (Inia geoffrensis).
© Ivan Sgualdini/stock.adobe.com
Ganges river dolphin
Ganges river dolphin, or susu (Platanista gangetica).
Encyclopædia Britannica, Inc.
Commerson's dolphin
Three Commerson's dolphins (Cephalorhynchus commersonii) in the Atlantic...
© f4f—iStock/Getty Images
Rough-toothed dolphin (Steno bredanensis).
Encyclopædia Britannica, Inc.
Risso's dolphin, or grampus
Risso's dolphin, or grampus (Grampus griseus) compared in size to a human.
Encyclopædia Britannica, Inc.
killer whale
A killer whale (Orcinus orca) spy hops in Georgia Strait, between Vancouver...
© sethakan/iStock.com