Thousands of mysterious jellyfish-like creatures wash up on California shores [Video]

Southern California beachgoers may notice a plethora of jellyfish-like creatures washed up on local shores – but sea jellies these blue blobs are not.

Thousands of Velella velellas, or by-the-wind sailors, have recently emerged on Golden State beaches from San Diego to Marin County. Pictures taken on April 28 in San Clemente show thousands of gelatinous hydrozoans strewn across a single beach.

Point Reyes National Seashore, a National Park Service (NPS) preserve located in the Bay Area, addressed the “blue tide” in a Facebook post last month.

“During spring and early summer months, Point Reyes seaside visitors may come across thousands of by-the-wind sailors (Velella velella) stranded on the beach,” the post read.

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“These blue jellyfish-like creatures use their translucent, triangular sails to free-float around the ocean,” Point Reyes explained. The cnidarians do not actively navigate, but rather flow whichever way the wind takes them. Unlike …