The blue, almost translucent organisms known as Velella velella, or “by-the-wind sailors,” were spotted in places like La Jolla, Pacific Beach and Coronado, according to iNaturalist — the ...

Thousands of rubbery blue "by-the-wind sailors" are washing up on California beaches following shifting winds and ocean currents. | Credit: MediaNews Group/Orange County Register via Getty Images ...

The Portuguese man-of-war is a siphonophore, an animal made up of ... of propulsion and either drift on the currents or catch the wind with their pneumatophores. To avoid threats on the surface ...

In the past few weeks, Monterey Bay beaches have been carpeted with the bright blue and transparent bodies of Velella velella ...