Baleen Whales:
* Blue Whale: The largest animal on Earth, found in all oceans, including the Pacific.
* Fin Whale: Second-largest whale, also found in all oceans, including the Pacific.
* Humpback Whale: Known for their acrobatic displays and long migrations, found in all oceans, including the Pacific.
* Gray Whale: Migrates between Arctic feeding grounds and breeding grounds in Mexico.
* Right Whale: Extremely rare, found in the North Pacific.
* Sei Whale: Found in all oceans, including the Pacific.
* Minke Whale: Smallest baleen whale, found in all oceans, including the Pacific.
* North Pacific Right Whale: Critically endangered, found in the North Pacific.
Toothed Whales:
* Sperm Whale: Deep-diving toothed whale, found in all oceans, including the Pacific.
* Orca (Killer Whale): Highly intelligent and social, found in all oceans, including the Pacific.
* Pilot Whale: Found in all oceans, including the Pacific.
* Dolphins: Numerous species of dolphins, including common dolphin, bottlenose dolphin, and Pacific white-sided dolphin.
* Porpoise: Smaller than dolphins, found in all oceans, including the Pacific.
* Beaked Whales: A diverse family of deep-diving toothed whales, including Baird's beaked whale and Cuvier's beaked whale.
* False Killer Whale: Resembles an orca, found in all oceans, including the Pacific.
This is just a partial list, as the Pacific Ocean contains a vast array of whale species.
Note:
* Some species, like the blue whale, are found in both the North Pacific and South Pacific.
* Some species, like the gray whale, have distinct populations in the North Pacific and the South Pacific.
* Whale populations are influenced by ocean currents, prey availability, and other factors.
For a more comprehensive list of whale species, you can consult resources from organizations like the National Oceanic and Atmospheric Administration (NOAA) or the Whale and Dolphin Conservation (WDC).