Browse Items (68 total)

Rainbow Trout are spring spawners, and deposit their eggs in gravel at sites known as redds. The eggs hatch in 4-7 weeks depending on water temperature. After hatching, fish spend up to two weeks as sac fry, remaining in the gravel and absorbing…

Fact sheet covering species affected in Colorado, what to look for, cause and transmission, and public health considerations.

Overview of CPW programs

Fact sheet on sinus tumors in bighorn sheep and mountain goats. Covers what to look for, causes, and transmission.

Two-page fact sheets:FISH Arkansas darter Greenback cutthroat trout Razorback sucker Bonytail Humpback chub Colorado squawfish Rio Grande sucker AMPHIBIAN Wood frog Western toad BIRDS Lesser prairie-chicken Arctic peregrine…

Many of Colorado’s coldwater lakes contain fish species, such as suckers and minnows, which provide little value to anglers, compete with managed sport fish, and have the potential to reduce water quality. However, these undesirable fish may be…