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

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Photos

bottlenose dolphins

Illustration of a common dolphin (Delphinus delphis) swimming, with a faint silhouette of a scuba diver in the background for scale. Measurement bars show the dolphin is about 2 meters, or 6.6 feet, long.

A pink Amazon river dolphin, Inia geoffrensis, partially submerged in murky water, showing its elongated snout and rounded forehead.

An illustration of a Ganges River dolphin (Platanista gangetica) showing its elongated snout and flippers, with a faint scuba diver silhouette below for size comparison. Measurement bars indicate the dolphin is about 2.5 meters (8.2 feet) long.

Commerson's dolphin

Rough-toothed dolphin (Steno bredanensis).

Risso's dolphin, or grampus

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