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On the left map, we grouped Fish Species that are located close to each other into small circles. Now, you can locate all Fish Species on the map at the same time. You can also drag & zoom the map.

Circle numbers - Count of Fish Species that are located in and around that circle.

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The yellow perch (Perca flavescens) is a very familiar species to most fishermen. This fish was introduced into Montana and is found in abundance in many lakes and reservoirs located ... moreeast and west of the Divide. Perch support one of the largest fisheries in Montana and are considered one of the best eating fish in the state. Because of their tendency to travel in schools, perch often can be caught in large numbers, which makes up for their relatively small size and difficulty in cleaning. Young yellow perch are important prey for several sport fish. Perch drape strings of gelatinous material with eggs embedded inside over substrate or vegetation. Perch foods are invertebrates and small fish.
The burbot (Lota lota) is easily recognized by its single chin barbel. It is native to most of Canada and the northern United States and is found in all three major river drainages ... morein Montana. Burbot, also known as ling, are usually found in larger streams and cold, deep lakes and reservoirs. They are peculiar in that they spawn during winter, under the ice. They are also largely nocturnal and have an enthusiastic following among fishermen. Burbot are voracious predators and opportunistic feeders. Like other codfish, burbot have livers which contain oils high in vitamins A and D. Despite their unconventional appearance, fishermen rate burbot tops for table fare.
The black crappie (Pomoxis nigromaculatus) is more widespread across eastern Montana than the white crappie with some scattered populations into central and western Montana. As the ... morename implies, it is darker colored than the white crappie, and has seven or eight dorsal spines instead of the five or six spines found on the white. Crappies are spring-spawning nest-builders like all the other sunfish. Crappies are fun to catch, good to eat, and can weigh up to 3 pounds although 1/2 pound fish are the rule. They are schooling fish and notorious for their love of stumps, debris piles, or other cover.Crappies are spring-spawning nest-builders like all the other sunfish. Crappies are fun to catch, good to eat, and can weigh up to 3 pounds although 1/2 pound fish are the rule. They are schooling fish and notorious for their love of stumps, debris piles, or other cover.
The largest and most important catfish to sport fishermen in Montana is the native channel catfish (Ictalurus punctatus) of the Yellowstone and Missouri River drainages. These fish ... moreprefer warm, muddy rivers and lakes where they forage on just about any animal and some plants, living or dead. They are excellent eaters and millions of pounds of channel catfish are raised commercially in southern states for that purpose. Like all catfish, channel cats spawn in the spring or early summer. The female lays her jelly-like mass of eggs in a nesting site in a dark, protected cavity such as a muskrat burrow, under a stump, etc. and the male guards the nest until the eggs hatch. Biologists have captured channel catfish over 30 pounds in Montana but 2 to 4 pound fish are more common and better eating. The deeply-forked tail separates the channel catfish from the bullheads.
The Paddlefish (Polyodon spathula) is an ancient, mostly cartilaginous fish with a smooth skin. It is a close relative of sturgeons. Although it is sometimes called a spoonbill or ... morespoonbill cat, it is not closely related to catfish. Most species of Paddlefish are now extinct, and fossil Paddlefish from 60 million years ago have been found in the Missouri River basin near Fort Peck Reservoir, Montana.

Montana is home to one of the few remaining self-sustaining populations of Paddlefish, and harbors the largest individual fish as well. Specimens have been taken weighing up to 150 pounds.
The Sauger (Sander canadensis) is native to Montana east of the Continental Divide. It inhabits both large rivers and reservoirs, but is mainly a river fish. In the spring, Sauger ... morebroadcast their spawn over riffles in rivers. Sauger are a highly prized sport fish and in some areas outside Montana are also commercially fished. Their major food items are insects and small fish.
The smallest and most common sturgeon in Montana is the shovelnose sturgeon (Scaphirhynchus platorynchus). It reaches a maximum weight of about 15 pounds. These fish can readily be ... moretaken on bait fished on the bottom and are pursued by relatively few anglers in the Missouri River downstream from Great Falls.
Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. The cypriniformes are traditionally grouped with ... morethe Characiformes, Siluriformes, and Gymnotiformes to create the superorder Ostariophysi, since these groups share some common features. These features include being found predominantly in fresh water and possessing Weberian ossicles, an anatomical structure derived from the first five anterior-most vertebrae, and their corresponding ribs and neural crests. The third anterior-most pair of ribs is in contact with the extension of the labyrinth and the posterior with the swim bladder. The function is poorly understood, but this structure is presumed to take part in the transmission of vibrations from the swim bladder to the labyrinth and in the perception of sound, which would explain why the Ostariophysi have such a great capacity for hearing.
The white bass, silver bass, or sand bass is a freshwater fish of the temperate bass family Moronidae. It is the state fish of Oklahoma. White bass are distributed widely across the ... moreUnited States, particularly in the Midwest. They are very abundant in Pennsylvania and the area around Lake Erie. Some native ranges of the white bass are the Arkansas River, Lake Erie near Cleveland, Ohio, and Lake Poinsett in South Dakota; they are abundant in the Winnebago lakes system of Wisconsin and they are also very abundant in Oklahoma. White bass have also been found in rivers that flow to the Mississippi. Native to many northern habitats, they have been introduced in many different waters around the United States, particularly in southern locations. They were also successfully introduced to Manitoba starting in the 1960s, where they have gained importance as a sport fish.
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.
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.
The sturgeon is the largest of all American freshwater fish. Historically, sturgeon up to 1,500 pounds were caught on set lines. ... more

Life History
Sturgeon spawn for the first time when they are 15-30 years old. Eggs are laid over rocky bottom in swift currents. Spawning usually takes place in May and June. It is estimated that a 350-pound female could lay 700,000 eggs. Some larger females could lay four million eggs.

Most newly hatched sturgeon die within their first year. They grow and mature very slowly. Little is known about their early life history compared to other species of fish. We know they used to migrate long distances. The fish remaining in Idaho no longer have the opportunity to migrate because of hydroelectric developments.

Feeding Habits
The sturgeon is mostly a bottom feeder and will eat almost any plant or animal matter dead or alive - with fish a large part of the diet.

Angling Techniques
Cut bait, squid, herring and shrimp are all popular baits, and are usually fished on the bottom of deep holes. Barbless hooks with a sliding sinker rig must be used. 
Sockeye salmon are one of the smaller species of Pacific salmon, measuring 18 to 31inches in length and weighing 4-15 pounds. Sea-going sockeye salmon have iridescent silver flanks, ... morea white belly, and a metallic green-blue top, giving them their "blueback" name. Some fine black speckling may occur on the back, but large spots are absent. Sockeye salmon are prized for their firm, bright-orange flesh.

As sockeye salmon return upriver to their spawning grounds, their bodies turn brilliant red and their heads take on a greenish color, hence their other common name, “red” salmon. Breeding-age males develop a humped back and hooked jaws filled with tiny, visible teeth. Juveniles, while in fresh water, have dark, oval parr marks on their sides. These parr marks are short-less than the diameter of the eye-and rarely extend below the lateral line.
Four sub-species of Cutthroat evolved from the only trout native to Utah. The Bear Lake cutthroat strain is the only one that is not distinguished by their crimson slash along the ... morelower jaw. Although they are often mistaken for Rainbow Trout, they lack the iridescent pink stripe or the white tipped pelvic and anal fins of the rainbow trout.
The cutthroat trout is in the family Salmonidae native to cold-water tributaries of the Pacific Ocean, Rocky Mountains, and Great Basin in North America. It's a member of the Pacific ... moretrout, a group that includes the widely distributed rainbow trout. Cutthroat trout are popular fly fishing gamefish. The common name "cutthroat" refers to the distinctive red coloration on the underside of the lower jaw.

Cutthroat trout usually inhabit and spawn in small to moderately large, clear, well-oxygenated, shallow rivers with gravel bottoms. The 14 subspecies are found in four evolutionary groups—Coastal, Westslope, Yellowstone and Lahontan.
Almost any rod and reel heavier than a light spinning outfit is suitable for striped bass fishing. The lighter the tackle, the greater the sport, of course. Under certain conditions, ... morehowever, fairly heavy tackle is desirable. For example, heavy tackle is generally necessary in charter boat fishing to prevent undue fouling of lines, and in certain types of deep-water fishing involving the use of heavy sinkers. 

The novice should consult one of the bait and tackle stores in the striped bass fishing area for information about the types of leaders, hooks, and sinkers used by striped bass anglers. To avoid catching too many undersized stripers, it is advisable to use hooks at least half an inch between the point and the shank. Fewer small fish will swallow the large hooks, so serious injuries will be reduced. Remember, for successful bait fishing, it is generally necessary to keep the bait near the bottom. Strong tidal currents are usually present on striped bass fishing grounds; therefore, it is particularly important to have a varied assortment of sinkers, so the amount of weight can be adjusted to match the changing strength of the current. Striped bass may be caught either by bait fishing or trolling. In the Delta, threadfin shad are probably now the most common bait. The shad are usually placed on the hook split and folded with the flesh side out. Sardines, anchovies, bloodworms, and pile worms are also popular baits in the Delta. Drift fishing with live bait - usually shiner perch or anchovies - is popular in the San Francisco Bay area. Sculpins (bullheads) and oriental gobies (mudsuckers) are frequently used in San Pablo and Suisun bays, either alive or dead. Trolling methods are specialized and it is advisable to observe this method of fishing in operation before attempting it. Many types of plugs, jigs, and spoons are used in trolling, frequently in double combinations. 
The Bonneville cutthroat trout, is a race, or subspecies, of the cutthroat trout native to the Bonneville Basin of Utah, Wyoming, Idaho, and Nevada. Pure Bonneville cutthroat trout ... moreare rare throughout their historic range, but several Utah populations exist, including populations in Bear Lake and Strawberry Reservoir. Major threats to the Bonneville cutthroat trout include habitat loss/alteration, predation by and competition with nonnative fishes, and hybridization with nonnative fishes, such as the rainbow trout. Because of the many threats to the Bonneville cutthroat trout, the subspecies is included on the Utah Sensitive Species List.

Bonneville cutthroat trout primarily eat insects, but large individuals also eat fishes. Like other cutthroat trout, the subspecies spawns in streams over gravel substrate in the spring. The Bonneville cutthroat trout can be found in a number of habitat types, ranging from high-elevation mountain streams and lakes to low-elevation grassland streams. In all of these habitat types, however, the Bonneville cutthroat trout requires a functional stream riparian zone, which provides structure, cover, shade, and bank stability.
Dozens of lakes surrounding Grand Lake Stream and Weatherby's are home to trophy smallmouth bass