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Coho salmon, also known as "silver salmon," are anadromous fish. That means they are born in freshwater, migrate to saltwater, and return to freshwater to spawn. Adult coho range from ... more8-12 pounds. They are a bright silver color in the ocean, but turn red when spawning. Upper and lower jaws become "hooked" as Coho approach spawning. Sharp teeth appear on tongue and roof of mouth. Spotting on tail fin is limited to the upper half. Coho have black mouths and white gums.

Life History
Coho spawn in October and November. Males and females die after spawning. The fry usually hatch out in March or April. Coho generally spend at least one year in fresh water before migrating to the ocean. They will generally return to their freshwater spawning grounds as three year olds, with a few waiting one more year.

Feeding Habits
Young Coho are voracious feeders focusing on plankton and aquatic insects in fresh water. Once they reach salt water they turn to a diet of fish. Adults returning to fresh water do not feed actively.

Angling Techniques
It is illegal to harvest Coho in Idaho. The Coho in the Clearwater River Drainage are the result of a reintroduction effort by the Nez Perce Tribe in cooperation with the Idaho Department of Fish and Game. To date the program has not produced enough returning adults to justify a season. Because this is a reintroduced run of fish, it is not listed under the Endangered Species Act.
Steelhead are a native type of rainbow trout that are anadromous. Anadromous means they spawn in freshwater streams, go to the ocean to grow, and return to fresh water as adults. Fishing ... morefor steelhead typically occurs from October through March.

Life History
Steelhead spawn in streams from mid-April to late June. They use areas of gravel, or cobble, depending on the size of the fish. The female selects a place in a riffle area below a pool to dig a redd (nest). She displaces the gravel with her body and tail, and the male fertilizes the eggs as they are deposited. The female covers the eggs with gravel by continuing upstream and the current carries the gravel over the eggs.

The eggs hatch in early to midsummer. The young fish live in the stream and migrate to the ocean, usually after two years of rearing in the stream. The juvenile fish that migrate to the ocean will grow rapidly.

When they mature and are ready to spawn, the steelhead migrate back to the place they were born. They enter the lower river drainages in the fall (Sept.-Oct.) and winter over to spawn the following spring, which allows a fall and spring fishing season.Most require 3 to 5 years to mature.

Feeding Habits
Steelhead trout eat insects and zooplankton in the water or on the surface. They will also feed on small fish and fish eggs. As they get larger, they will eat larger fish. Adult steelhead holding in the river prior to spawning do not eat much, but will strike at food or lures.

Angling Techniques
Steelhead respond to a variety of angling techniques. Since they are not feeding as they wait to spawn, the angler pesters the steelhead enough to get it to strike. They're aggressive and will take a variety of bait, lures, and flies.
The rainbow trout is a very popular sport fish. It is silver colored with black spots over its body, dorsal and caudal fins. Adult fish have a distinctive "rainbow" band along the ... moreside of their body.

Rainbow trout are native to many water. They are an easy fish to raise in a hatchery and are stocked. In many cases, rainbow were stocked in both their native and new areas. Today, they are found in lakes, ponds, rivers and small streams throughout the states.

There are many varieties of rainbow trout; some of the varieties have nicknames. We usually think of rainbow trout as a beautiful, but small fish that can be caught most places, most times of the year. 

Kamloop are a type of rainbow trout that was introduced into Idaho. A Kamloop lives part of its life in a lake, and part of its life in a river or small stream. In lakes, Kamloop grow rapidly and many are over 10 pounds when they are caught. A few may get to be over 30 pounds. In fact, the world record rainbow trout was a 39-pound Kamloop from Lake Pend Oreille. Steelhead are a native type of rainbow trout that are anadromous. Anadromous means they spawn in freshwater streams, go to the ocean to grow, and return to fresh water as adults. They are common to the Clearwater, Snake and Salmon rivers.

Life History
Rainbow, Kamloop and steelhead spawn in streams from mid-April to late June. They use areas of gravel, or cobble, depending on the size of the fish. The female rainbow selects a place in a riffle area below a pool to dig a redd (nest). The female displaces the gravel with her body and tail, and the male fertilizes the eggs as they are deposited. The female covers the eggs with gravel by continuing upstream and the current carries the gravel over the eggs.

The eggs hatch in early to midsummer. The young fish may live in the stream a few months, several years, or their entire life. The juvenile Kamloop and steelhead migrate to other waters, usually after two years of rearing in the stream. The juvenile fish that migrate to lakes or the ocean will grow rapidly. The growth of those that remain in the stream varies with the amount of food and temperature of stream.

When they mature and are ready to spawn, the rainbow, Kamloop, and steelhead migrate back to the place they were born. The age of sexual maturity depends on the type of rainbow and where it lives. Most rainbow require 3 to 5 years to mature.

Spawning habitat is not available in many lakes and periodic stocking is required to replenish the population.

Feeding Habits
Rainbow trout eat insects and zooplankton in the water or on the surface. They will also feed on small fish and fish eggs. As they get larger, especially the Kamloop, they will eat larger fish. Adult steelhead holding in the river prior to spawning do not eat much, but will strike at food or lures.

Angling Techniques
The rainbow is popular with anglers. They are widely distributed in accessible waters. They have a reputation for being strong fighters which makes them popular with novice and experienced anglers alike. There are as many ways to catch rainbow trout as there are fishing methods. Rainbow will take all types of bait and lures including trolling spoons, spinners, salmon eggs, corn, or even marshmallows. Many anglers use either fly casting or spinning equipment. Knowing what they commonly feed on in that specific area will help you to choose the right bait. Ice fishing for rainbows is also popular. Usually a bait of worms, maggots, or corn is suspended off the bottom.
One of two Pacific salmon species in Montana, the chinook salmon (Oncorhynchus tshawytscha), was introduced into Fort Peck Reservoir during the 1980s in an effort to produce a trophy ... morefishery. Like all Pacific salmon species, the chinook dies after spawning. It is doubtful that these fish will reproduce in Fort Peck, but due to their intense homing instinct they will return to where they were stocked when they are ready to spawn. They may then be captured and artificially propagated in the hatchery. While still experimental, chinooks of over 25 pounds have already been captured in Montana. Chinook, also known as "king salmon", are intense fish predators as adults.