Protecting and Restoring the Morro Bay Estuary.
sea star

Sea Star Wasting Disease Monitoring Update

    Last year, we wrote a post about the Sea Star Wasting Syndrome, a disease that was causing mass mortality of sea stars along the Pacific Coast from Baja California to the Gulf of Alaska. The syndrome is a general description of symptoms found in affected sea stars. Typically, lesions appear on the surface of the stars followed by decay surrounding the lesions, leading to fragmentation of the sea star’s body and eventual death. According to biological oceanographer and microbial ecologist Ian Hewson from Cornell University, this disease is by far the largest marine disease event ever seen. Hewson’s …

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Sea Star Wasting Disease | Monitoring in Morro Bay

Infected sea star; photograph taken on day one, June 27, 2014 on Guemes Island, Washington. Credit: Kit Harma, Evergreen Shore monitor.

  A mysterious disease called Sea Star Wasting Disease Syndrome (SSWS) has been causing mass mortality of sea stars along much of the Pacific Coast from Baja California to the Gulf of Alaska. Twenty-two species of sea stars have been affected by it, making this a die-off event of the greatest magnitude, spread over the greatest geographic area to date. Melissa Douglas, Associate Research Specialist at University of California, Santa Cruz, is an expert on the syndrome. She is concerned about the spread of the disease. As she says, “Past SSWS outbreaks were restricted to Southern CA and Baja Mexico. …

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