Trout

Yellowstone Cutthroat

Oncorhynchus clarkii bouvieri

4.0

At a Glance

Avg Length

17"

Avg Weight

2.2 lbs

World Record

11 lbs

Habitat

Yellowstone Region Streams

About the Yellowstone Cutthroat

Yellowstone Cutthroat (Oncorhynchus clarkii bouvieri). Found in Yellowstone Region Streams. Average length 17 in, weight 2.2 lbs. World record: 11.0 lbs (Yellowstone NP).

The Yellowstone Cutthroat is one of the most recognizable freshwater species in North American waters, classified scientifically as <em>Oncorhynchus clarkii bouvieri</em>. It belongs to the Trout group, most commonly found in yellowstone region streams environments. Anglers target this species for both sport and table fare, and it appears across a broad range of water bodies throughout the United States.

A typical Yellowstone Cutthroat runs 17 inches in length and weighs around 2.2 pounds, though fish in prime habitat regularly exceed these averages. The all-tackle world record stands at 11 lbs, set at Yellowstone NP, making it a legitimate target for anglers chasing personal bests. Conservation status varies by region — check local regulations before keeping fish, as some waters have slot limits or catch-and-release requirements in place.

Habitat & Range

Primary habitat: Yellowstone Region Streams.

The Yellowstone Cutthroat thrives across a wide range of freshwater environments throughout North America. Seasonal movements are driven by water temperature — fish tend to move into shallower water during spring and fall feeding periods, and push deeper or seek cover during the heat of summer and cold of winter. Understanding these patterns is critical to locating fish consistently across the season.

How to Fish for Yellowstone Cutthroat

Best bait: Elk Hair Caddis.

Technique: Dry Fly.

Match your presentation to the season and conditions. In clear water, downsize your bait and slow your retrieve. In stained or muddy water, switch to high-contrast colors and add vibration. Early morning and evening are the most productive windows during summer months. During spawning season, fish become highly territorial and will strike out of aggression as well as hunger.

World Record

The all-tackle world record Yellowstone Cutthroat weighed 11 lbs, caught at Yellowstone NP. This record represents the upper end of what this species achieves under ideal conditions. Most anglers targeting personal bests focus on proven trophy waters with the right combination of habitat, forage base, and light fishing pressure.

State Regulations

Regulations vary by state and water body. Before fishing for Yellowstone Cutthroat, verify current size limits, bag limits, and open seasons with your state fish and wildlife agency. Check your state's fishing license requirements and season dates at the FishLog Fishing License guide.