View source for Pacific white-sided dolphin - Lagenorhynchus obliquidens

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[[File:Pacific white-sided dolphins (Lagenorhynchus obliquidens) NOAA.jpg|alt=Pacific white-sided dolphins (Lagenorhynchus obliquidens) |thumb|Pacific white-sided dolphins (Lagenorhynchus obliquidens) ]]
The '''Pacific white-sided dolphin''', also known as the hookfin porpoise, is an active dolphin found in the cool or temperate waters of the North Pacific Ocean. 

Pacific white-sided dolphins are known for their distinct coloring that gives them their name. They are a playful and highly social marine mammal. They are also sometimes known as the “hookfin porpoise” because of their large, curved dorsal fin, though they are not technically porpoises.<ref name=":0">[https://www.fisheries.noaa.gov/species/pacific-white-sided-dolphin Pacific White-Sided Dolphin] NOAA</ref> In the United States, Pacific white-sided dolphins live off the coasts of California, Oregon, Washington, and Alaska. They can be seen traveling in schools of thousands, but group sizes are usually between 10 and 100 animals. These extremely playful dolphins are often seen “bow riding” (swimming near the front part of a ship) and jumping, somersaulting, or even spinning in the air.<ref name=":0" />

== See also ==

* [https://wikianimal.org/hub/s/dolphins/ Dolphins on the WikiAnimal Hub]

== External links ==

* https://www.fisheries.noaa.gov/species/pacific-white-sided-dolphin

== References ==
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