RIVER FISH · Open water & big rivers

Paddlefish

Polyodon spathula

An ancient plankton-feeding fish with a long paddle-shaped snout, built for large deep rivers and reservoirs.

Explore related rivers & gauges ↓
American paddlefish showing its long paddle-shaped snout
Photo: Ryan Hagerty / USFWS · Public domain ↗

Meet the fish

Habitat
Slow-moving large deep freshwater rivers and reservoirs with access to suitable spawning reaches.
On the menu
Plankton filtered from the water as the fish swims with its mouth open.
Size context
USFWS reports paddlefish can reach about 7 feet and nearly 200 pounds, though most are smaller.
Range & local context
Native primarily to the Mississippi River basin and Gulf Slope drainages, with losses from portions of its historical range.

Living with the river

Water & habitat

High water, open migration routes and gravel spawning habitat are important, but river stage alone is not a spawning forecast.

Seasonal life

Adults may migrate hundreds of miles before spawning. Spawning often coincides with high spring water over clean gravel bars.

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.

Before you go

Paddlefish harvest and snagging rules are highly state-specific, and some populations are restoration priorities. Check current regulations before targeting them.

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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