Strange Creatures Washing Up On SF Beaches
- Thousands of bright-blue Velella velella washed onto Baker Beach and other Bay Area shores this week, turning a weird beach sighting into a seasonal marine event. (abc7news.com) - The creatures are “by-the-wind sailors” — not true jellyfish — with small triangular sails that let spring winds push them onto sand. (nps.gov) - This matters because the washups reflect normal spring wind-and-current shifts, not a toxic spill or a new invasive outbreak. (nps.gov)
Blue, jellyfish-like blobs are covering parts of San Francisco’s shoreline again. The creatures showed up at Baker Beach and elsewhere around the Bay Area this week, and the (abc7news.com)d this kind of mass stranding is a pretty classic Northern California spring event. (abc7news.com)at are these things? Velella are small colonial hydrozoans — relatives of jellyfish, corals, and anemones — but not true jellyfis(nps.gov)m the top, which is why they look a little like tiny plastic rafts when they wash ashore. The National Park Service says they’re usually about 3 to 4 inches long. (nps.gov) ### Why are they suddenly everywhere? Because this is how they travel. Velella float at the ocean surface and let wind do the steering. When spring w(abc7news.com)n go from seeing none for months to seeing thousands in a single walk. (nps.gov) ### Why San Francisco right now? The timing fits the normal pattern almost perfectly. Northern California usually sees these strandings in spring or early summer, and this week’s reports centered on Baker Beach near the Golden (nps.gov)animals hit a run of onshore wind and the beach becomes the landing zone. (abc7news.com) ### Are they dangerous? Mostly, no. They’re generally considered harmless to people, especially compared with stinging jellyfish. But “harmless” d(nps.gov)in, and dogs are famous for investigating exactly the wrong thing on the beach, so leaving them alone is still the smart move. (local12.com) ### Why do they look so bright blue? That color is normal. Live Velella can be vivid blue, purple, or indigo, and(abc7news.com)alien, but turns out they’re a recurring feature of the California coast. (kqed.org) ### Is this a sign something is wrong with the ocean? Not necessarily. A big washup looks dramatic, but on its own it usually points to wind and surface-current conditions, not a mystery contamination event. In other words, the be(local12.com)omatically a red flag. (nps.gov) ### Why were people calling them the wrong thing? Because lots of weird gelatinous sea life looks similar from ten feet away. Salps, pyrosomes, and Velella all trigger the same first reaction — what on earth i(kqed.org)coverage point clearly to Velella, especially because of the blue color and the little sail. (abc7news.com) ### So what should beachgoers do? Enjoy the spectacle, take pictures, and don’t mess with them. Baker Beach and Ocean Beach already demand caution because of rough surf and rip(nps.gov)eeding to touch everything on it. If you see something that looks truly unusual or involves injured wildlife, park or marine authorities are the better call. (nps.gov) ### Bottom line The weird blue creatures on San Francisco beaches are real, but the mystery is smaller than it first looked. Th(abc7news.com)onal event look like science fiction. (abc7news.com)
