Broodstocks of Rainbow and Eagle Lake trout are reared at Darrah Springs Hatchery for transfer to Mount Shasta Hatchery where cold water will ensure proper egg development. Although Darrah Springs Hatchery has water temperatures ideal for rapid growth, it is too warm for successful egg development. Rainbow Trout This popular fish is native to the tributaries of the Pacific Ocean in North America and Asia. Now it can be found farmed as a food source or for recreational angling across the world. Rainbow Trout are a premier fish desired by anglers for recreational fishing in California. Those provided for recreational angling are now sterile (triploid (PDF)(opens in new tab)). Rainbow Trout (Eagle Lake Trout strain) Known for its resistance to highly alkaline waters, the Eagle Lake Trout is a native to nearby Eagle Lake and its Pine Creek tributary. Due to diminishing flows into Pine Creek, a program was started in the 1950’s to preserve the species. Once found only in its native waters, the Eagle Lake Trout can now be found in many waters throughout the state. Lahontan Cutthroat Trout Named for the distinctive red markings under their lower jaw, Cutthroat Trout are native to California. Learn more about Lahontan Cutthroat Trout. Darrah Springs Hatchery main page