Coming of age on the river bottom

Juvenile Pacific lampreys, like the ones pictured above, endure a transition from immaturity to adulthood as equally awkward and trying as that of teen-aged humans. After spending Read More…

Lamprey pileup

Sometimes when reviewing the video of salmon passing through our Vaki Riverwatcher, we notice a weird phenomenon on the skin of some fish. Every so often, fish Read More…

Arrested development

Pacific lampreys (Lampetra tridentata) are a species with a prolonged infancy. They begin their life cycle in freshwater as blind, worm-like larvae called ammocoetes, and remain in Read More…

A lamprey by any other name

The Eel River, the third largest watershed in California, drains approximately 3,684 square miles and eventually empties into the Pacific Ocean near Fortuna, California.  Considering the name Read More…

Water pumps

We know we’ve posted on lamprey in the past, but we think it’s worth sharing this close-up photo of a Pacific lamprey’s gill ducts. Lamprey are different 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…