Spring 15

THE CAMPUS FISH HATCHERY recently received a major upgrade, thanks to alumni gifts to the Humboldt Loyalty Fund, which supports student scholarships, academic programs research, and other special projects. Originally built in the 1950s, the hatchery’s massive overhaul included the installation of a Recirculating Aquaculture System, or RAS.

RAS is a closed system that continuously filters and reuses water, enabling intensive fish rearing. It also requires a small amount of water and releases little or no pollution, minimizing its environmental impact.

Because the system is centrally filtered, it allows students to replicate experiments much more easily. “They can control and address water conditions without stressing fish,” says Hatchery Manager Sabine Mader. “They can even reproduce experiments months or years later.”

Overall, the improvements give students in Fisheries, Biological Sciences, and Environmental Resources Engineering hands-on aquaculture experience and valuable professional skills.

Did you know that the Hatchery also raises and sells steelhead trout and coastal cutthroat trout? It’s also the only facility on the North Coast to raise cutthroat trout. The sales program provides student volunteers and technicians with experience raising trout—from eggs to mature fish.