Giant Seabass

Giant Seabass

Stereolepis gigas
GrouperSaltwater7.5ftUp to 560 lbEdibility: ExcellentSport FishLong Range

Oceans & Range: Eastern Pacific Ocean — from Humboldt Bay, California south to the Gulf of California. Most commonly encountered from the Channel Islands south to Baja California. A protected species in California waters — fishing prohibited. Found around kelp beds, rocky reefs, and sandy bottom areas near structure in 15–150 feet.

Preferred Water Temperature: 58°F–70°F. Found in kelp forest environments and over sandy bottom near rocky structure. Young fish (juveniles) inhabit shallow kelp beds; adults are deeper and more wide-ranging.

Size & Weight: One of the largest bony fish in the Pacific — can reach over 7 feet and 560 lbs. World record: 563 lbs 8 oz from Anacapa Island, California. Fully protected in California — all fish must be released immediately. The California population, once severely depleted, is slowly recovering.

Best Lures: N/A — fully protected in California waters. Incidental encounters occur when fishing for Halibut and Yellowtail.

Best Baits: N/A — fully protected. Immediately release any Giant Sea Bass encountered. Do not remove from water — they must be released boat-side.

San Diego Catch by Month

Giant Seabass caught per month

2026
Jan
Feb
Mar
Apr
May
1
Jun
3
Jul
2
Aug
8
Sep
Oct
Nov
Dec
14 Giant Seabass counted 7 trips over 4 months best month Sep (8) Season totals by boat →

Range

Eastern Pacific Ocean — from Humboldt Bay, California south to the Gulf of California. Most commonly encountered from the Channel Islands south to Baja California. A protected species in California waters — fishing prohibited. Found around kelp beds, rocky reefs, and sandy bottom areas near structure in 15–150 feet.

How to Catch Giant Seabass

Equipment

58°F–70°F. Found in kelp forest environments and over sandy bottom near rocky structure. Young fish (juveniles) inhabit shallow kelp beds; adults are deeper and more wide-ranging.

Tackle & Bait

Best Lures:
N/A — fully protected in California waters. Incidental encounters occur when fishing for Halibut and Yellowtail.

Best Baits:
N/A — fully protected. Immediately release any Giant Sea Bass encountered. Do not remove from water — they must be released boat-side.

Game Qualities

One of the largest bony fish in the Pacific — can reach over 7 feet and 560 lbs. World record: 563 lbs 8 oz from Anacapa Island, California. Fully protected in California — all fish must be released immediately. The California population, once severely depleted, is slowly recovering.

Taxonomy

kingdomAnimalia
phylumChordata
classActinopterygii
orderPerciformes
familyPolyprionidae
genusStereolepis
speciesgigas
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