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Chinook Salmon and Similar Species

Oncorhynchus tshawytscha

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Several fish can be confused with Chinook Salmon. Here are the key differences.

Species often confused with {name}

Coho Salmon

Oncorhynchus kisutch

Key differences: Coho Salmon typically have white or pale gums (not black), and spots are usually only on the upper lobe of the caudal fin. They are generally smaller than Chinook.

Chum Salmon

Oncorhynchus keta

Key differences: Chum Salmon have white gums and lack significant spotting on the back or tail. Spawning males develop distinctive vertical bars of green and purple.

Sockeye Salmon

Oncorhynchus nerka

Key differences: Sockeye Salmon have white gums and lack spots on the back or tail. Spawning Sockeye are bright red with green heads.

Pink Salmon

Oncorhynchus gorbuscha

Key differences: Pink Salmon have white gums, very small scales, and large, oval spots on the back and both lobes of the tail. Spawning males develop a pronounced hump on their back.

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