They are covered with dark spots and of course the identifiable red on the gills. Their bodies are covered in vivid colors with red or orange bellies, copper sides, and an olive back. Their crude name comes from the distinct red marking on their gills and behind their jaw. Cutthroat TroutĬutthroat trout are smaller trout that prefer the cool, clear, clean, and well-oxygenated streams. The rainbow trout that only live in freshwater rivers do not grow as large as their marine counterparts but generally have more vivid colors. The rainbow trout also goes by the name steelhead when they have access to marine resources. The Rainbow trout is native to the western United States but has been introduced to almost every other state. See Colorado Stream Flows for up-to-date Stream Flows.Rainbow trout are one of the most well known trout species in the United States. For example, 600 CFS on the Colorado River is relatively low where as 600 CFS on the South Platte would be very high. A bigger and wider river such as the Colorado River, can tolerate more stream flow and keep fish spread throughout more than a smaller river such as the S. Water is measured by Cubic Feet Per Second (CFS). The amount of water in the stream will determine where fish will be eating and holding comfortable. There is not really such thing as ideal stream flows. Stream Flows As it Relates to Fish Location Stream flows are a huge indicator of where fish might be located in a given river. Pocket Water The soft water that exists directly behind boulders. Tail-Outs The areas where a defined run trickles out of the main run into a wider area of lesser defined current or into a pool. Trout can sit in the slower water (stay out of the current) yet still have a line of vision into the faster water where more food is being carried.
Depending on the gradient, some runs can be to fast for trout to hold but you can always count on trout being in or around the main “run.” Seams Seams are the areas where fast water meets slower water. Runs Runs are defined as the area in which the main flow of water is moving. Trout also move in and around riffles when water temps are high because the faster water creates more dissolved oxygen.
Riffles Fish move into riffles during heavy hatch periods where lots of food is moving through the shallow fast water. Fish pod up in pools during the winter and seek refuge in them during the summer. Pools Offer deep water and slower current. What Trout Need to SurviveĬan You Identify all the Water Types in this Video? Greater temperature swings, variable water clarity, and diverse insect life. Very low winter water levels and high water during run-off periods. A freestone river is at the mercy of mother nature with no dam controlling the flow. Freestone Rivers Freestone rivers are far and few between in the arid western region. Tailwaters Tailwaters are dam controlled and provide consistent water flows, clarity and bug life for trout. Rainbow Trout (above) eat a diverse diet, prefer water temps in the upper 40’s to mid 50’s and spawn in the Spring River Types Brown Trout & Rainbow Trout Brown Troutīrown Trout (above) above are generally more carnivorous, tollerate slightly warmer water & spawn in the fall. For the purpose of this lesson and Colorado fly fishing let’s start with the two most common. There are many species of trout and crosses “hybrids” with in them. Understanding the species of fish you are targeting and the environment in which they live will help you be a more successful angler Trout Identification
Reading the water is a term thrown around frequently in fly fishing.
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