Free-floating mucus webs: a novel feeding adaptation for the open ocean.
Observations by means of conventional scuba techniques have revealed that highly modified planktonic gastropods, in the order Thecosomata, utilize a free and unsupported mucus web for collecting food particles. Their delicate bodies, quick reactions, and apparent abundance suggest that traditional plankton-sampling methods may be inadequate to assess their importance in the blue-water plankton communities.
Gilmer
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RW