Long tentacles, like on this anthomedusa jellyfish, are used to sting and capture small prey items.
Anthomedusa Jellyfish
Image courtesy of the NOAA Office of Ocean Exploration and Research, Mountains in the Deep: Exploring the Central Pacific Basin. Download larger version (jpg, 771 KB).

Long tentacles, like on this anthomedusa jellyfish, are used to sting and capture small prey items. Many animals in the deep pelagic have one or more long tentacles to help capture food or particles drifting by.

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