Collecting otoliths from sockeye salmon on the Salmon Lake shoreline
By Alaska Science Center
August 2015 (approx.)
Detailed Description
Chris Zimmerman removing otoliths from sockeye salmon carcasses on the shoreline of Salmon Lake. Otoliths are used to read age of a fish and other chemical signatures over time.
Sources/Usage
Public Domain.
Related
Sockeye Salmon Migrating at the Northern Edge of Their Distribution
The physiological challenge for anadromous fish to migrate upriver to spawn and complete their life cycle is influenced by river temperature.
Related
Sockeye Salmon Migrating at the Northern Edge of Their Distribution
The physiological challenge for anadromous fish to migrate upriver to spawn and complete their life cycle is influenced by river temperature.