Shellfish & Intertidal Foraging

NorCal / SF Bay reference.

Always Check Before You Go

Shellfish safety hotline: (800) 553-4133 Check the Recreational Bivalve Shellfish Advisory Map before harvesting any bivalves.

Clam domoic acid closure info: (831) 649-2883

Seasonal Overview

Shellfish & Intertidal Seasons (Northern CA) JanFebMar AprMayJun JulAugSep OctNovDec Dungeness Crab Rock Crab Mussels Clams Razor Clams Purple Sea Urchin Monkeyface Eel Open Likely Delay Quarantine / Closed

Reference

Regulations

Safety

Targeted Species

Crabs

CDFW Regulations §29.80 (page 49)

  • Methods of take: hand, snares (6x loop limit), hoop nets, and CA compliant box traps
  • 10 trap limit. Using box traps requires Crab Trap Validation
  • Hoop nets check every 2 hours, traps every 9 days. Must have buoy with GO ID # if not from shore or structure
  • No crabbing in the SF Bay at night — daylight hours only

Dungeness

  • Limit — 10
  • Size limit — 5¾” excluding spines
  • No Dungeness take in SF Bay. Must be west of GGB.
  • Season — typically starts 11/1, but check CDFW Crabs page. Northern zones regularly delayed for domoic acid.

Rock Crabs

  • Open all year
  • Limit 35 any combination
  • Size limit — 4” excluding spines

Monkeyface Eel / Rockfish

Mussels

CDFW Regulations §29.10

Purple Sea Urchin

CDFW Regulations §29.06 (page 44)

Clams

CDFW Regulations §29.20 (page 47)

  • No limits unless otherwise stated
  • Clamming hours: 30min before sunrise to 30min after sunset
  • No possession of clamming tools on any beach outside clamming hours
  • Legal Take Methods: hand tools like shovel/hoe/rake/etc., suction powered “clam guns”, & rigid pipes to support digging
  • Undersized clams have to be immediately reburied
  • All holes have to be refilled
  • Separate containers per person required — no mixing take

Gaper (aka Horse / Horseneck) & Washington Clams

  • Limit 25 total, 10 per species. All clams dug must be taken.

Geoduck

  • Limit 3. All clams dug must be taken.

Littlenecks, Soft Shell Clams, Chiones, Northern Quahogs, and Cockles

  • Limit 50 in any combination
  • Minimum size: 1½” except soft-shell clams, which must be taken.

Pismo Clams

  • Open year round except in Santa Cruz & Monterey counties (9/1 - 4/30)
  • Limit 10
  • Minimum Size: 5” if taken north of SLO-Monterey county line, 4½” if taken south of the boundary

Razor Clams

  • Open all year except Clam Beach in Humboldt, Del Norte county (check regs)
  • Limit: 20, all clams dug must be taken.

Atmospheric Activity