Most of Vashon Island is now closed to recreational shellfish harvesting because of unsafe levels of paralytic shellfish poison, which acts quickly and can cause paralysis of the respiratory system and death.

The Seattle-King County Public Health Department posted an alert Friday evening citing information from the Washington State Department of Health (DOH). The marine…

Texas closed all of its coastal waters Wednesday to oyster harvesting because of the algal bloom Karenia brevis, also known as the red tide.

According to the Texas Department of State Health Service, red tide has been detected along the Texas coastline from Brownsville to Galveston. As a result, all Texas coastal waters are closed …