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Chinook and Coho Salmon Identification

Fishing Regulations Icon Oregon Fishing

Chinook (King) Salmon

Most Reliable Feature

Secondary Feature

Less Dependable Feature

Lower jaw is dark or mottled
from outside gums through base
of teeth to inside gums.

Tail fin rays are smooth along length of rays.

Round, black spots may be present on both upper and lower lobes of tail. Extremely variable in saltwater.

Coho (Silver) Salmon

Most Reliable Feature

Secondary Feature

Less Dependable Feature

Lower jaw is banded from dark
outside teeth, to white at base
of teeth, to dark inside teeth.

Tail fin rays are ribbed with prominent
crosshatching along length of rays.

Round, black spots may be
present on upper lobe of tail.
Extremely variable in saltwater.

HOW To IDENTIFY HATCHERY FISH

WILD: Not Fin-Clipped (Unmarked)

HATCHERY: Fin-clipped (Marked)

Unless otherwise noted, hatchery salmon, steelhead, and trout are marked by removing their adipose fin.