They’re back: massive fleets of tiny, electric-blue, jellyfish-like creatures called Velella velella are once again blanketing Oregon beaches. They are not true jellyfish, but floating hydrozoans — ...

Sailors,” are a colonial hydroid species that look like small blue jellyfish. Every year, they wash up on the coast thanks to strong winter winds.

SEASIDE, Ore. — Visitors at the Oregon Coast in recent weeks have spotted something unusual along some stretches of the beach: large clusters of small, blue-tinted creatures that look sort of like ...

Mu Ko Similan has warned visitors after Blue Button jellyfish were found in designated swimming areas, on the eastern side of Island No. 4.

MALIBU, Calif. (KABC) -- Blue jellyfish have invaded Malibu! About a billion of these sea creatures have washed ashore on the West Coast in the past few weeks. The blue jellyfish have distinctive ...

From red to blue, harmless to lethal, and microscopic to humongous, jellyfish come in all different shapes and sizes and are some of the most fascinating creatures on the planet. This slideshow ...