Sockeye Salmon, male and female in spawning coloration

• This video shows both male and female Sockeye Salmon in an Alaskan stream getting ready to spawn.
• How can you tell the females from the males?
• Think about how you can tell an adult Sockeye Salmon from an adult Coho Salmon. You can look at the video on coho and try to spot the differences.
• There are also Dolly Varden in this video.

Sockeye Salmon, male and female in spawning coloration from Bob Armstrong on Vimeo.