Green Sturgeon
Acipenser medirostris
Also known as: Green Sturgeon
Size & Weight
Average Length
64.8"
Max Length
108.0"
Average Weight
50.0 lbs
Max Weight
350.0 lbs
Lifespan
70 years
Habitat
Depth Range
0 - 360 ft
Water Temp
50-65°F
Ocean (more than white sturgeon); estuaries; rivers for spawning
Behavior
Spawning Season
Spring (rivers)
Migration: More ocean-oriented than white sturgeon; spawning migrations up rivers
Diet: Fish; shrimp; crabs; mollusks; bottom organisms
Fishing Tips
PNW Season
Catch and release only most areas
Techniques: Rarely targeted legally
Best Bait: N/A - catch and release only most areas
Eating Quality
Edibility
N/A - protected
N/A - protected in most areas
Fun Facts
ESA protected Southern DPS; more oceanic than white sturgeon; rarely encountered; release immediately
How to Identify
Greenish coloring; similar to White Sturgeon but smaller; barbels on snout; ancient appearance
Official Resources
Sources: NOAA; WDFW; ODFW
Change History (Last updated Feb 02, 2026 at 10:33 AM)
| Date | Change | Old Value | New Value |
|---|---|---|---|
| Feb 02, 2026 10:33 AM | Updated Avg Length | — | 64.8 |