RIVER FISH · Big-river bottom dweller

Shovelnose sturgeon

Scaphirhynchus platorynchus

A slender native sturgeon with a flattened shovel-shaped snout, armored scutes and a long tail filament, built for life close to the bottom of large rivers.

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Shovelnose sturgeon showing its flattened snout and armored body
Photo: Sam Stukel / USFWS · Public domain ↗

Meet the fish

Habitat
Large turbid rivers with current over sand, gravel and mixed bottom habitat.
On the menu
Aquatic insect larvae, small crustaceans, worms and other bottom-dwelling invertebrates.
Size context
Shovelnose are much smaller than lake, Atlantic or white sturgeon; adults are commonly measured in feet rather than the giant sizes reached by those species.
Range & local context
Native through much of the Mississippi and Missouri river systems and connected central U.S. drainages.

Living with the river

Water & habitat

Current, depth, substrate and connected main-channel habitat all matter. High discharge does not by itself describe bottom conditions or fish location.

Seasonal life

Adults move through large-river habitat and spawn in flowing water; timing and movement vary among river systems.

Read the water, not a fishing score. Gauge readings describe one monitoring location. They do not prove fish are present, predict a bite, establish safe access or replace current fishing rules. Check the observation time and the specific stretch of river.
FISH JUKEBOX
Digging In The DirtPeter Gabriel

Why this song? Shovelnose sturgeon spend their lives close to big-river bottoms, making “Digging In The Dirt” an appropriately muddy pairing.

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Before you go

Sturgeon rules vary widely, and shovelnose can occur near protected look-alike species such as pallid sturgeon. Correct identification and local regulations are essential.

Use the linked agencies and the relevant river guide for current regulations, closures and consumption advisories. A species profile is not a fishing license or a statement that harvest is allowed.

Editorial review: . Regional size examples are labeled; maximum lengths are not typical sizes.

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