June 2015: At the Prosser Fish Hatchery outside of Yakima, Wash., biologists with the Yakama Nation are researching lamprey propagation. Here's a few photos. Hatchery staff have just taken the eggs from this female lamprey, now much diminished in size. When they are ready to spawn, female lamprey stop eating. Before spawning the lamprey, hatchery staff measure them and gather other information about the fish for use in ongoing research Adult broodstock lamprey being held for spawning
To find out more about lamprey, click here.
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