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Sponges Leave Mysterious Trails, Possibly Not As Immobile As Previously Thought
KEY POINTS
Video evidence shows trails of spicules leading to living sponges
This suggests that sponges may actually be more active than we think
Are sponges really immobile creatures? A team of researchers found evidence that they may actually be more mobile than people may think.
Sponges in their larva stage are known to be quite mobile but they become sessile once they reach adulthood. This means that they stay on a particular spot and settle there, Cell Press explained in a news release, adding that sponges don t even have muscles or organs that they can use to move around.