Carp & Sucker
Bluehead Sucker
Catostomus discobolus
FreshwaterCatostomidaeLeast Concern
About
The Bluehead Sucker is a robust fish with a flattened head and a subterminal mouth adapted for bottom feeding. They are typically found in fast-flowing streams and rivers with rocky substrates, where they play an important role in nutrient cycling.
- Average size
- 12-24 inches, up to 5 lbs
- Colors
- Adults typically have olive-brown to dark gray backs, lighter sides, and a whitish belly. During spawning season, males develop a bluish coloration on their head, hence the name.
- Diet
- Primarily algae and invertebrates, which they scrape from rocks and other submerged surfaces.
- Region
- Western United States, including the Colorado River Basin, Great Basin, and Snake River drainages.