The Velellas, Velella velella, are among the planktonic organisms which live at the air-water interface, called pleuston. Velella measure a few cm and travel in large, sometimes very dense groups of more than a hundred individuals per square meter. On the Mediterranean coast velellas are called St. John’s or St. Peter’s boats…

(read more: plankton chronicles)       (images: S. Mirshak)

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    thousands of these cnidarians washed up along monterey at the moment, would be quite a sight
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    ON WATER. woah!
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    Prettyprettypretty
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