It typically takes from three to five years for juvenile cutthroat trout to mature. Spawning usually occurs when water temperatures range between 43 and 46 degrees Fahrenheit and female cutthroat ...

When it comes to genetic diversity, the cutthroat blows all other trout out of the water. You’ll find them scattered across ...

Spawning occurs in the spring, with some species migrating from larger lakes or rivers to reproduce. Fluvial and lacustrine cutthroat, like other species of trout with similar life histories ...

As the lake trout population has been reduced by nearly three decades of netting, Yellowstone Lake's native cutthroat trout have slowly rebounded and gotten bigger — a lot bigger.

Lake trout aren't as vulnerable to prey as cutthroat because they spawn in deeper water out of reach of birds and bears. In 1996, park officials began an aggressive gill-netting program to remove ...

Brook trout spawn in the fall and their fry — baby fish — emerge in the spring. Cutthroat trout spawn in the spring, so their fry emerge later in the year. This means the brook trout are bigger and ...

Opinion: While fish populations in the Bitterroot are stable, there are threats to the watershed that negatively impact water ...

Unable to spawn and without competition from new generations of fish, the lake’s remaining trout grew bigger than ever. In 1925, John Skimmerhorn, a Paiute man, caught a 41-pound cutthroat trout ...

After a stressful journey out of the burn zone in Malibu, the endangered trout have spawned in their adopted stream in Santa Barbara County.

Spawning Yellowstone cutthroat trout (Oncorhynchus clarkii bouvieri). (Jacob W. Frank/NPS) (CN) — The U.S. Forest Service’s plan to swap rainbow trout with Yellowstone cutthroat trout in Montana’s ...