Fish in Montana

Frequently Asked Questions

What are the 10 most common fish in Montana?

The 10 most common fish in Montana are:

1. Westslope Cutthroat Trout (Oncorhynchus lewisi)
2. Rainbow Trout (Oncorhynchus mykiss)
3. Brown Trout (Salmo trutta)
4. Brook Trout (Salvelinus fontinalis)
5. Mountain Whitefish (Prosopium williamsoni)
6. Largemouth Bass (Micropterus nigricans)
7. Northern Pikeminnow (Ptychocheilus oregonensis)
8. Longnose Dace (Rhinichthys cataractae)
9. Rocky Mountain Cutthroat Trout (Oncorhynchus virginalis)
10. Yellow Perch (Perca flavescens)

What is the most observed fish in Montana?

The most observed fish in Montana is Westslope Cutthroat Trout (Oncorhynchus lewisi), with 269 recorded observations.

What are the most common invasive fish in Montana?

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

1. Variable Platyfish (Xiphophorus variatus)

What are the most common native fish in Montana?

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

1. Bull Trout (Salvelinus confluentus)
2. Largescale Sucker (Catostomus macrocheilus)