Great Sculpin
Myoxocephalus polyacanthocephalus
Also known as: Great Sculpin
Size & Weight
Average Length
18.0"
Max Length
30.0"
Average Weight
2.0 lbs
Max Weight
12.0 lbs
Lifespan
22 years
Habitat
Depth Range
0 - 800 ft
Water Temp
38-48°F
Rocky/sandy bottoms; moderate to deep; cold water
Behavior
Spawning Season
Winter-spring
Migration: Generally residential; cold water preference
Diet: Fish; crabs; shrimp
Fishing Tips
Eating Quality
Edibility
Fair
Larger than most sculpins; edible but not commonly kept
State Records
Washington
4.6
lbs
Fun Facts
One of largest sculpins; cold water; found deeper than others
How to Identify
Largest sculpin species; large head; brown coloring with spots; found rocky areas
Commonly Confused With
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Official Resources
Sources: WDFW; NOAA
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 | — | 18.0 |