Burrowing Cerianthids Video: Passive suspension feeders, burrowing sea anemones (Cerianthus sp.) near California coast.
Burrowing Cerianthids Video: An example of a passive suspension feeder, some burrowing sea anemones (Cerianthus sp.) off the coast of California. Note how the long tentacles, equipped with stinging cells (cnidocytes), oscillate in the wave-driven flow.