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Rocky Mountain Cutthroat Trout
Oncorhynchus virginalis
418 observations
Brook Trout
Salvelinus fontinalis
196 observations
Rainbow Trout
Oncorhynchus mykiss
151 observations
Brown Trout
Salmo trutta
128 observations
Mountain Whitefish
Prosopium williamsoni
51 observations
Lake Trout
Salvelinus namaycush
44 observations
White Sucker
Catostomus commersonii
41 observations
Creek Chub
Semotilus atromaculatus
39 observations
Longnose Dace
Rhinichthys cataractae
37 observations
Redside Shiner
Richardsonius balteatus
36 observations
Convict Cichlid
Amatitlania nigrofasciata
36 observations
Utah Sucker
Catostomus ardens
35 observations
Fathead Minnow
Pimephales promelas
32 observations
Green Swordtail
Xiphophorus hellerii
29 observations
Utah Chub
Gila atraria
26 observations
European Carp
Cyprinus carpio
20 observations
Arctic Grayling
Thymallus arcticus
19 observations
Northern Plains Killifish
Fundulus kansae
19 observations
Longnose Sucker
Catostomus catostomus
18 observations
Speckled Dace
Rhinichthys osculus
18 observations
Tiger Trout
Salmo trutta × Salvelinus fontinalis
16 observations
Westslope Cutthroat Trout
Oncorhynchus lewisi
16 observations
Golden Trout
Oncorhynchus aguabonita
15 observations
Plains Topminnow
Fundulus sciadicus
15 observations
Bonneville Sculpin
Cottus semiscaber
14 observations
Green Sunfish
Lepomis cyanellus
13 observations
Sockeye Salmon
Oncorhynchus nerka
13 observations
Lake Chub
Couesius plumbeus
12 observations
Guppy
Poecilia reticulata
12 observations
Goldfish
Carassius auratus
11 observations
Yellow Perch
Perca flavescens
11 observations
Black Bullhead
Ameiurus melas
10 observations
Plains Sand Shiner
Miniellus missuriensis
10 observations
Walleye
Sander vitreus
9 observations
Common Shiner
Luxilus cornutus
9 observations
Burbot
Lota lota
9 observations
Smallmouth Bass
Micropterus dolomieu
8 observations
Stonecat
Noturus flavus
8 observations
Flathead Chub
Platygobio gracilis
8 observations
Splake
Salvelinus namaycush × fontinalis
7 observations
Channel Catfish
Ictalurus punctatus
6 observations
Central Stoneroller
Campostoma anomalum
6 observations
Shorthead Redhorse
Moxostoma macrolepidotum
6 observations
Plains Sucker
Pantosteus jordani
6 observations
Johnny Darter
Etheostoma nigrum
5 observations
Iowa Darter
Etheostoma exile
5 observations
Brook Stickleback
Culaea inconstans
5 observations
Rocky Mountain Cutbow
Oncorhynchus mykiss × virginalis
5 observations
Orangethroat Darter
Etheostoma spectabile
4 observations
Largemouth Bass
Micropterus nigricans
4 observations
Frequently Asked Questions
- The 10 most common fish in Wyoming are:
- Rocky Mountain Cutthroat Trout (Oncorhynchus virginalis)
- Brook Trout (Salvelinus fontinalis)
- Rainbow Trout (Oncorhynchus mykiss)
- Brown Trout (Salmo trutta)
- Mountain Whitefish (Prosopium williamsoni)
- Lake Trout (Salvelinus namaycush)
- White Sucker (Catostomus commersonii)
- Creek Chub (Semotilus atromaculatus)
- Longnose Dace (Rhinichthys cataractae)
- Redside Shiner (Richardsonius balteatus)
- The most observed fish in Wyoming is Rocky Mountain Cutthroat Trout (Oncorhynchus virginalis), with 418 recorded observations.