A putative Chum and Pink (Oncorhynchus keta and O. gorbuscha) salmon hybrid migrating upstream alongside Pink Salmon, Alaska

Pink and Chum salmon (Oncorhynchus gorbuscha and O. keta) summer spawning migration in a tributary of Prince William Sound, Alaska.

Pink and Chum salmon (Oncorhynchus gorbuscha and O. keta) summer spawning migration in a tributary of Prince William Sound, Alaska.

Pink Salmon (Oncorhynchus gorbuscha) spawning in an intertidal stream that is a tributary of Prince William Sound, Southcentral Alaska

Pink and Chum salmon (Oncorhynchus gorbuscha and O. keta) summer spawning migration in a tributary of Prince William Sound, Alaska.

Pink salmon (Oncorhynchus gorbuscha) spawning pair in an Alaskan intertidal stream during the summer.

A sea lion swims into the fish weir area and grabs a Pink salmon (Oncorhynchus gorbuscha), Allison Point, outside Valdez; Alaska, United States of America

Animals

Underwater view of a pink salmon (Oncorhynchus gorbuscha) spawning pair in Hartney Creek near Cordova, Alaska in the summer; Alaska, United States of America

A Pink Salmon (Oncorhynchus gorbuscha) male comes alongside and quivers a female who is probing her redd in an Alaskan intertidal stream during the summer.

A Pink Salmon (Oncorhynchus gorbuscha) sneaker male courts a female building her redd while the alpha male is away fighting in an Alaskan intertidal stream during the summer.

A male Pink Salmon (Oncorhynchus gorbuscha) among others of the same species and Dolly Varden Charr (southern form; Salvelinus malma lordi) form a dense school at the bottom of a deep pool during their spawning migration in an Alaskan stream during...

Alaska, Sitka, Pink Salmon (Oncorhynchus Gorbuscha) Swimming Up The Indian River To Spawn.