Luzon Island, Philippines
This crinoid is swimming through the water by alternately raising one set of arms while lowering another, in a flapping fashion. Crinoids move very slowly on their own, but the current provides plenty of additional movement.
Jeffrey N. Jeffords (photographer; copyright holder; identification)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
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