Study: As River Warms Through McNary-John Day Pools, Juvenile Salmon Change Food-Source To Shad

Subyearling fall chinook salmon lose weight as they migrate downriver through the McNary and John Day dam pools. Although their preferred food through these still waters is Daphnia, a naturally occurring small planktonic crustacean, warmer water requires more energy and the fish in August will turn to non-native juvenile America shad as a food source.

Read the Full Article

Login to your account or Become a Member

More news from CBB: