How old are salmon when they migrate from fresh water to the ocean?
That depends on species:
- Chinook
- Fall Chinook, 3-4 months after hatch;
- S pring Chinook, 12-16 months;
- Coho--12-24 months;
- Chum--a week to a month;
- Sockeye--12 months to 36 months;
- Pink--a week to a month.