- Associated Press - Tuesday, March 29, 2016

SACRAMENTO, Calif. (AP) - The California Department of Public Health has lifted a health advisory for rock crabs caught around Santa Cruz, Santa Rosa and San Miguel Islands.

The department lifted the ban Monday after health officials determined the crabs no longer contain high levels of domoic acid and no longer pose a significant risk to human health.

The department says an advisory remains in effect for Dungeness crab in waters north of the Sonoma-Mendocino County line and in the area between Santa Rosa and Santa Cruz islands.

It says tests on crabs recently caught in those areas show high elevated levels of domoic acid, a naturally occurring neurotoxin.

The toxin is produced by a massive bloom of microscopic algae caused by warming ocean conditions.

In mild doses, it causes gastrointestinal illness and in rare cases may be fatal.

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