Pacific Halibut
Hippoglossus stenolepis
Also known as: Hali; Barn Door; Chicken (small)
Size & Weight
Average Length
57.6"
Max Length
96.0"
Average Weight
100.0 lbs
Max Weight
500.0 lbs
Lifespan
55 years
Habitat
Depth Range
75 - 1800 ft
Water Temp
37-46°F
Sandy/muddy bottoms on continental shelf
Behavior
Spawning Season
November-March
Migration: Clockwise migration in Gulf of Alaska; seasonal depth movements
Diet: Fish; sculpins; sand lance; herring; octopus; crabs; clams
Fishing Tips
PNW Season
May-Sept (limited seasons)
Techniques: Drift fishing; anchoring; heavy tackle
Best Bait: Herring; salmon bellies; octopus; large jigs
Eating Quality
Edibility
Excellent
Mild; sweet; firm white flesh
State Records
Washington
288.0
lbs
Fun Facts
Largest flatfish; eyes migrate to right side; females much larger; can exceed 500 lbs
How to Identify
Both eyes on dark upper side; mottled gray-brown coloring on upper side; white underside; diamond-shaped flat body; larger than other flatfish
Commonly Confused With
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Official Resources
Sources: IPHC; WDFW; ODFW; 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 | — | 57.6 |