Get to know lake sturgeon: identifying features, habitat, food, and life cycle.
Identification & habitat
- Scientific name: Acipenser fulvescens.
- Armor: Rows of bony scutes rather than an ordinary scaled surface.
- Snout: Rounded and conical compared with shovel-nosed relatives.
- Barbels: Four smooth barbels in front of the mouth.
- Mouth: Underneath, protrusible for sucking food from the bottom.
- Missouri habitat: Mainly big rivers despite the common name.
- Bottom: Firm sand, gravel, and rock.
- Migration: Can travel hundreds of miles.
Food & behavior
- Food: Insect larvae, crayfish, snails, clams, and small fish.
Spawning, growth & lifespan
- Longevity: Can reach roughly 150 years.
- Maturity: Females may require decades before reproducing.
- Frequency: Females do not spawn every year.
Angling & the bigger picture
- Restoration: Missouri stocking began in 1984; spawning was confirmed in 2015.
- Conservation: Endangered in Missouri; make this an identification and conservation post.
- Pressure: Slow reproduction increases vulnerability to overharvest and habitat change.
Sources & further reading
Research checked October 18, 2026. Common sizes and ages are examples rather than hard limits. Missouri spawning dates are regional unless another location is named. Consult the current local fishing rules for the water you plan to fish.