We've posted videos of swimming crinoids before, but tune in for this one for a lesson on *how* they manage to go from appearing plant-like and rooted to a surface to gracefully swimming through the water. Pretty cool, huh?
Swimming Crinoids
During the dive on the southeast side of Johnston Atoll on September 17, 2015, the remotely operated vehicle disturbed several crinoids who took to the water. This video provides a fascinating explanation of how these aanimals, whom you might not initially suspect of being swimmers, do in fact swim.
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