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Native Nature

Celebrating the beauty of nature through photography and community. Share your wildlife observations, create and support conservation projects, and help protect biodiversity around the world.

Conservation Projects

Sharon Creek Restoration
Elk Falls Urban Pollinator Garden Initiative
Erie Coastal Marine Sanctuary Initiative
Hillsboro Urban Pollinator Garden Initiative
Las Animas Wildlife Corridor Initiative
Simpson Wildlife Corridor Initiative
Plant a Butterfly Garden at Chisholm Park
Hemingford Native Plant Nursery Initiative

Most Favorited

American Ermine (9)
Evening Bat (9)
Downy Woodpecker (8)
Baltimore Oriole (8)
American Beaver (8)
Dyer's Polypore (8)
Steller's Jay (7)
Say's Phoebe (7)

Recent Observations

Scarlet Lady's Tresses
Common Ink Cap
Swift Crab Spider
Lophiolepis decussata
wild garlic
western honey mesquite
Ringed Sap-sucking Slug
New Zealand Grasshopper

© 2026 Native Nature. All rights reserved.

Fish

Fish in Montana

Discover fish observed in Montana, United States

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Westslope Cutthroat Trout

Westslope Cutthroat Trout

Oncorhynchus lewisi

287 observations

Rainbow Trout

Rainbow Trout

Oncorhynchus mykiss

245 observations

Brown Trout

Brown Trout

Salmo trutta

206 observations

Brook Trout

Brook Trout

Salvelinus fontinalis

185 observations

Mountain Whitefish

Mountain Whitefish

Prosopium williamsoni

90 observations

Redside Shiner

Redside Shiner

Richardsonius balteatus

90 observations

Largemouth Bass

Largemouth Bass

Micropterus nigricans

86 observations

Longnose Dace

Longnose Dace

Rhinichthys cataractae

85 observations

Rocky Mountain Cutthroat Trout

Rocky Mountain Cutthroat Trout

Oncorhynchus virginalis

82 observations

Northern Pikeminnow

Northern Pikeminnow

Ptychocheilus oregonensis

81 observations

Yellow Perch

Yellow Perch

Perca flavescens

76 observations

Pumpkinseed

Pumpkinseed

Lepomis gibbosus

69 observations

European Carp

European Carp

Cyprinus carpio

61 observations

Smallmouth Bass

Smallmouth Bass

Micropterus dolomieu

58 observations

Northern Pike

Northern Pike

Esox lucius

51 observations

Arctic Grayling

Arctic Grayling

Thymallus arcticus

41 observations

Lake Trout

Lake Trout

Salvelinus namaycush

37 observations

Bull Trout

Bull Trout

Salvelinus confluentus

36 observations

White Sucker

White Sucker

Catostomus commersonii

34 observations

Bluegill

Bluegill

Lepomis macrochirus

33 observations

Longnose Sucker

Longnose Sucker

Catostomus catostomus

30 observations

Goldeye

Goldeye

Hiodon alosoides

29 observations

Largescale Sucker

Largescale Sucker

Catostomus macrocheilus

26 observations

Fathead Minnow

Fathead Minnow

Pimephales promelas

25 observations

Flathead Chub

Flathead Chub

Platygobio gracilis

24 observations

Stonecat

Stonecat

Noturus flavus

22 observations

Channel Catfish

Channel Catfish

Ictalurus punctatus

20 observations

Green Sunfish

Green Sunfish

Lepomis cyanellus

18 observations

Black Bullhead

Black Bullhead

Ameiurus melas

18 observations

Western Mosquitofish

Western Mosquitofish

Gambusia affinis

16 observations

Green Swordtail

Green Swordtail

Xiphophorus hellerii

16 observations

Variable Platyfish

Variable Platyfish

Xiphophorus variatus

16 observations

Westslope Cutbow

Westslope Cutbow

Oncorhynchus mykiss × lewisi

16 observations

Brook Stickleback

Brook Stickleback

Culaea inconstans

15 observations

Sockeye Salmon

Sockeye Salmon

Oncorhynchus nerka

15 observations

Cedar Sculpin

Cedar Sculpin

Cottus schitsuumsh

15 observations

Lake Whitefish

Lake Whitefish

Coregonus clupeaformis

11 observations

Lake Chub

Lake Chub

Couesius plumbeus

11 observations

Walleye

Walleye

Sander vitreus

10 observations

Burbot

Burbot

Lota lota

9 observations

Plains Sucker

Plains Sucker

Pantosteus jordani

9 observations

Freshwater Drum

Freshwater Drum

Aplodinotus grunniens

8 observations

Shorthead Redhorse

Shorthead Redhorse

Moxostoma macrolepidotum

8 observations

Mottled Sculpin

Mottled Sculpin

Cottus bairdii

7 observations

Sauger

Sauger

Sander canadensis

7 observations

Columbia Slimy Sculpin

Columbia Slimy Sculpin

Cottus philonips

7 observations

Plains Sand Shiner

Plains Sand Shiner

Miniellus missuriensis

7 observations

Black Crappie

Black Crappie

Pomoxis nigromaculatus

6 observations

American Paddlefish

American Paddlefish

Polyodon spathula

6 observations

Creek Chub

Creek Chub

Semotilus atromaculatus

6 observations

Frequently Asked Questions

What are the 10 most common fish in Montana?

The 10 most common fish in Montana are:

Westslope Cutthroat Trout (Oncorhynchus lewisi)
Rainbow Trout (Oncorhynchus mykiss)
Brown Trout (Salmo trutta)
Brook Trout (Salvelinus fontinalis)
Mountain Whitefish (Prosopium williamsoni)
Redside Shiner (Richardsonius balteatus)
Largemouth Bass (Micropterus nigricans)
Longnose Dace (Rhinichthys cataractae)
Rocky Mountain Cutthroat Trout (Oncorhynchus virginalis)
Northern Pikeminnow (Ptychocheilus oregonensis)

What is the most observed fish in Montana?

The most observed fish in Montana is Westslope Cutthroat Trout (Oncorhynchus lewisi), with 287 recorded observations.

What are the most common invasive fish in Montana?

Some of the most commonly observed invasive fish in Montana include:

Variable Platyfish (Xiphophorus variatus)

What are the most common native fish in Montana?

Some of the most commonly observed native fish in Montana include:

Bull Trout (Salvelinus confluentus)
Largescale Sucker (Catostomus macrocheilus)