Taxonomy
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Catostomidae
- Genus
- Catostomus
- Species
- latipinnis
Habitat
Flannelmouth suckers primarily inhabit rivers and streams in the Colorado River basin, favoring clear, swift-flowing waters with rocky or gravel substrates. They are found in the southwestern United States and northern Mexico, often in warmer, well-oxygenated environments. These fish avoid stagnant waters and thrive in areas with moderate currents.
Diet
Flannelmouth suckers feed mainly on algae, aquatic insects, and detritus scraped from rocks and riverbeds using their specialized mouths. They are bottom feeders active during the day, helping to control algal growth in their ecosystems. Their feeding behavior involves sifting through substrate for small invertebrates and plant material.
Behavior
Flannelmouth suckers are generally solitary but may form loose schools in feeding areas, and they are diurnal with peak activity during daylight hours. They exhibit migratory behavior upstream for spawning and are adapted to fast currents, often holding position in riffles. These fish are not particularly territorial but will compete for food resources.
Conservation Status
Listed as Least Concern by IUCN.