HUMBOLDT COUNTY — November 7, 2026. Recreational Dungeness crab fishing will not open as previously expected in the affected portions of Humboldt County this weekend. State officials expanded a closure after tests indicated a human health risk from domoic acid.

Where the restriction applies

The California Department of Fish and Wildlife announced that elevated toxin levels prompted a delay from the southern edge of the Reading Rock State Marine Protected Areas to Cape Mendocino. With the earlier closure farther south, the combined restricted region now runs to the southern boundary of the Ten Mile State Marine Reserve. Recreational taking or possession of Dungeness crab in the closed waters is prohibited.

Why domoic acid matters

Domoic acid is a marine neurotoxin that can accumulate in shellfish without making the animal appear sick. Exposure may cause digestive symptoms and, at higher levels, serious neurological illness. This is a health-based fishery restriction, not merely a weather advisory.

When can fishing resume?

State officials have not announced a firm reopening date for the toxin-affected area. Restrictions remain in place until public-health authorities determine that the toxin no longer poses a significant risk. Fishers can check the California Department of Fish and Wildlife for current geographic boundaries and gear rules or call its domoic-acid fishery information line at 831-649-2883.

Source: CDFW announcement, reported by Lost Coast Outpost, November 6, 2026.

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