Chinook Salmon and Similar Species
Oncorhynchus tschawytscha
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Open the appSeveral 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 are generally smaller than Chinook. They typically have spots only on the upper lobe of the caudal fin (if present at all) and have a white or pale gum line, not black. Their body shape is also more slender.
Sockeye Salmon
Oncorhynchus nerka
Key differences: Sockeye Salmon lack significant spots on their back or tail. Ocean-phase Sockeye are bright silver with a blue back. Spawning Sockeye turn brilliant red with a green head. They also have a white gum line and a more streamlined body.
Chum Salmon
Oncorhynchus keta
Key differences: Chum Salmon lack significant spots on their back or tail. Ocean-phase Chum are silvery with faint vertical bars. Spawning Chum develop distinct vertical bars of green and purple/red. They have a white gum line and a more pointed snout.
Pink Salmon
Oncorhynchus gorbuscha
Key differences: Pink Salmon are the smallest Pacific salmon. They have large, oval-shaped spots on their back and entire caudal fin. Spawning males develop a pronounced hump on their back. They have a white gum line and a much smaller mouth.
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