Fish in Idaho

Frequently Asked Questions

What are the 10 most common fish in Idaho?

The 10 most common fish in Idaho are:

1. Rainbow Trout (Oncorhynchus mykiss)
2. Brook Trout (Salvelinus fontinalis)
3. Westslope Cutthroat Trout (Oncorhynchus lewisi)
4. Brown Trout (Salmo trutta)
5. Smallmouth Bass (Micropterus dolomieu)
6. Rocky Mountain Cutthroat Trout (Oncorhynchus virginalis)
7. European Carp (Cyprinus carpio)
8. Sockeye Salmon (Oncorhynchus nerka)
9. Largemouth Bass (Micropterus nigricans)
10. Redside Shiner (Richardsonius balteatus)

What is the most observed fish in Idaho?

The most observed fish in Idaho is Rainbow Trout (Oncorhynchus mykiss), with 732 recorded observations.

What are the most common invasive fish in Idaho?

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

1. Golden Mbuna (Melanochromis auratus)