Oral Disk of the Giant Green Anemone, Anthopleura xanthogrammica

An intimate view of the monochromatic oral disk surface of A. xanthogrammica. The flat topography of the disk is interrupted by a large opening though which food passes and undigested material is expelled. Grains of sand dotting the disk surface are probably the undigested remnants of a recent meal. The short conical tentacles surrounding the…

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The Drift Line’s Getting Slippery on the Northern Oregon Coast: By-the-Wind Sailors Wash Ashore in Great Numbers

Free-floating hydroids, by-the-wind sailors, Velella velella, have been washing ashore in great numbers, for weeks. It’s a fairly common event on Oregon beaches, but this happens to be one of the biggest I’ve seen, so I’m sharing a few images that captured my imagination. Here’s the top of the drift line from a pre-dawn high…

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