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.

Lobster Fishers: We Need Your Data!

Several lobsters crowded together in rock crevice underwater next to sea urchin
The April 30 deadline to turn in California spiny lobster report cards is fast approaching – and CDFW needs your catch data! The information collected from these is enormously helpful to CDFW scientists who monitor the harvest, amount of fishing effort and the gear used in the recreational fishery

Biologists Work to Restore Kirman Lake’s Trophy Trout Fishery

Small green and brown spotted fish held in hands
It’s a question that has been asked by more than a few eastern Sierra trout anglers: What happened to the fishing at Kirman Lake?

Fisheries Biologists Showcase Delta Bass at International Sportsmen’s Expo

Man wearing blue and beige foul weather gear and orange life vest holding net with long pole leaning over boat railing on boat on water. Shipwreck in background.
Among the more popular attractions at the Sacramento International Sportsmen’s Expo each January is the Western Bass Aquarium Demo Tank.The 6,000-gallon aquarium displays dozens of trophy largemouth bass collected by CDFW biologists from the Sacramento-San Joaquin Delta.

Stacking the Odds to Stock California’s Waters

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The beginning of trout fishing season in Southern California is just around the corner, and CDFW biologists and hatchery staff are striving to maximize hatchery trout availability for the many anglers who will cast lines in coming weeks. Trout angling in lower-elevation waters of Southern California generally begins in November and continues through April, to correspond with colder water temperatures that can sustain stocked trout.

The Long Journey of Heenan Lake’s Lahontan Cutthroat Trout

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For generations, anglers in California’s eastern Sierra Nevada mountains fished for one of the most cherished fish in the west, the Lahontan cutthroat trout (LCT). These native beauties are prized for their size, with some growing as large as 40 pounds in the Tahoe Basin.