Found thousands of these translucent blue, plastic-looking ovals washed up on the beach today. They have a stiff fin on top and blue jelly underneath. Are they dangerous?
Mass strandings of Velella velella are not unusual. They tend to occur seasonally, especially after strong winds or storms push them toward land. Because they float rather than swim, they have little control over where they go.
Sometimes, entire coastlines can be covered with them, turning beaches into a blue, otherworldly landscape.
