The Most Unusual Things to Ever Wash Ashore

Sailing Blue

Beachgoers on the western coast of the United States in 2014 were confronted by several miles of squishy blue animals resembling jellyfish, but each was topped with a rigid structure like that of a sail. Each of these tiny organisms, titled “by-the-wind sailors,” measures about 7 centimeters (2.75 inches) long. Every so often, storm activity can bring them toward coastal regions, where they pile up on shores in large quantities.

Lumpy Sea Creature

On July 13, one confused Reddit user shared photos of a peculiar lumpy sea creature on a California beach that they believed resembled “an organ. Marine biologists weighed in on this description and told Live Science that it could be a type of sea slug (pictured here) or maybe even a limpet.

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Post originally appeared on Inside Mystery.