Science Spotlight

Science Institute News

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Recent accomplishments of CDFW's scientific community


Creel Survey Keeps Tabs on Quality at Crowley

Crouching man in brown and beige uniform and ball cap on boat with pencil and chart on clipboard next to open cooler filled with fish.
Mono County’s Crowley Lake is a destination fishery that attracts trout anglers of all kinds – bait fishermen, lure casters, trollers and fly anglers – throughout the state during its open season.

Remotely Operated Vehicle Gives Scientists an Underwater View into California’s MPAs

Three men on boat wearing thick coats, life vests, and white hard hats. Two of the men are looking over side of boat at large green and black machine on crane above water. Third man holding gray metal box with large buttons.
Marine scientists from the California Department of Fish and Wildlife (CDFW) and Marine Applied Research and Exploration (MARE) recently completed an unprecedented three-year survey of deep-water habitats off the California coast using a remotely operated vehicle (ROV).

Iron Gate Hatchery

Short-haired woman in yellow rain jacket and black gloves holding fish on side of metal basin along side man in yellow rain jacket, black gloves, and camo hat holding fish over metal basin as dark orange liquid streams out of fish into metal basin.
At Iron Gate Hatchery in Hornbrook, the fall 2018 spawning operation has just concluded. Iron Gate spawns both Fall-Run Chinook Salmon and Coho Salmon from the Klamath River. For Chinook, the hatchery staff manually collect the eggs and mix it with the milt immediately after the fish come into the facility.

One Step Closer to Reestablishing a New Population of Endangered Winter Run Salmon

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Habitat is the key to the long-term survival of Sacramento River winter-run Chinook in California. Since 1999, CDFW has been working with multiple agencies and private parties on planning efforts to restore the population of these endangered salmon. More than $100 million has been allocated to specific habitat restoration work on Battle Creek, which comprises approximately 48 miles of prime salmon and steelhead habitat.