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Photo of Common Thresher Shark (Alopias vulpinus)
Photo: Public domain — NOAA/PIER, Wikimedia Commons
Saltwater

Common Thresher Shark

Alopias vulpinus

The shark with the whip tail. A serious boat fish when they show on the Catalina / San Pedro side.

Size / bag
No min · bag 2 (with mako and blue)
Season
Year-round; boat fishery
Difficulty

Habitat around Los Angeles

Open ocean in the San Pedro Channel and beyond — a sportboat and private-boat fishery, not a pier fish.

How LA anglers actually fish them

State-managed sharks: shortfin mako, thresher, and blue — two fish per day, no size limit. White sharks are no-take. This is not a beginner pier trip. Heavy tackle and a crew that has done it.

Current CDFW regulations

  • Size limit: No size limit
  • Bag / possession: 2 fish per day for thresher, shortfin mako, or blue shark
  • Season: Open year-round

White sharks may not be taken or possessed. Sixgill and sevengill are 1 fish, no size.

CDFW Southern ocean regs — state-managed sharks →

Independent-site disclaimer: this summary is for orientation only and can change in-season. Confirm with CDFW before you keep a fish. Fish in LA is not affiliated with the California Department of Fish and Wildlife.

Best lures & bait

  • Trolled or drifted live bait on heavy tackle

How to catch them

  • Book a boat that actually runs a thresher program
  • Do not confuse with a white shark — when unsure, do not gaff

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