Jacksmelt
Atherinopsis californiensis
Also known as: Jack Smelt
Size & Weight
Average Length
13.2"
Max Length
22.0"
Average Weight
0.5 lbs
Max Weight
1.5 lbs
Lifespan
9 years
Habitat
Depth Range
0 - 100 ft
Water Temp
55-65°F
Bays; nearshore; around kelp and structure; surface schools
Behavior
Spawning Season
Spring-summer
Migration: Generally nearshore; some seasonal movements
Diet: Small crustaceans; algae; small fish
Fishing Tips
PNW Season
Year-round
Techniques: Pier fishing; light tackle; sabiki
Best Bait: Small baits; tiny jigs
Eating Quality
Edibility
Fair
Mild; bony; similar to other smelt
State Records
Washington
1.5
lbs
Fun Facts
Largest smelt in CA; often around piers; forms surface schools
How to Identify
Greenish back; silvery sides; silver stripe along body; surface schooling
Commonly Confused With
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Official Resources
Sources: CDFW
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 | — | 13.2 |