Grass Rockfish
Sebastes rastrelliger
Also known as: Grass Bass
Size & Weight
Average Length
13.2"
Max Length
22.0"
Average Weight
0.5 lbs
Max Weight
5.5 lbs
Lifespan
23 years
Habitat
Depth Range
60 - 300 ft
Water Temp
55-62°F
Shallow rocky reefs; tide pools; eelgrass; kelp; intertidal
Behavior
Spawning Season
Winter-spring; live birth
Migration: Generally residential; shallow water
Diet: Crabs; shrimp; small fish; mollusks
Fishing Tips
PNW Season
Year-round
Techniques: Shore fishing; shallow jigging; tide pool
Best Bait: Cut bait; shrimp; small crabs
Eating Quality
Edibility
Good
Mild; white flesh
State Records
California
6.44
lbs
Fun Facts
One of shallowest-dwelling rockfish; found in tide pools; mottled green/brown
How to Identify
Greenish body with brown patches; found shallow rocky areas; small species; territorial
Commonly Confused With
Compare Side-by-SideOfficial Resources
Sources: CDFW; 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 Depth Max Ft | 150 | 300 |
| Feb 02, 2026 10:33 AM | Updated Depth Min Ft | — | 60 |
| Feb 02, 2026 10:33 AM | Updated Avg Length | — | 13.2 |