montereybayaquarium:And now: The aggregated nipple sponge! Polymastia pachymastia is a common critte
montereybayaquarium:And now: The aggregated nipple sponge! Polymastia pachymastia is a common critter of current-swept reefs of the North-East Pacific. They filter microscopic food particles from the wooshing water, like separating wheat from chafe—sorry, chaff. -- source link
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