Outmigration complete!

Now that all the salmon in the Tuolumne River have hatched and migrated downstream, our crew have made quick work of removing a rotary screw trap for Read More…

Stuck on you

This ancient jawless fish is seeing for the first time after recently metamorphosing to resemble its more familiar adult form. Juvenile Pacific lamprey (Lampetra tridentate) begin life Read More…

Pacific Lamprey

The Pacific lamprey, Lampetra tridentate, is an ancient jawless fish that resembles an eel. The adults are parasitic attaching themselves to the side or undersurface of its Read More…

Juvenile Chinook Habitat

The onset of spring means juvenile Chinook salmon smolts will begin outmigrating from many west coast salmon streams. These Chinook parr are utilizing submerged vegetation for protection, Read More…