This is a predatory tunicate with a polychaete living with it. During Dive 4 of Océano Profundo, we saw several of these, with only one polychaete per tunicate which has our science team thinking that there might be a relationship between the two that benefits one or both of them.

This is a predatory tunicate with a polychaete living with it. During Dive 4 of Océano Profundo, we saw several of these, with only one polychaete per tunicate which has our science team thinking that there might be a relationship between the two that benefits one or both of them. Image courtesy of NOAA Okeanos Explorer Program, Océano Profundo 2015: Exploring Puerto Rico’s Seamounts, Trenches, and Troughs.

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Related Links

Animals of the Deep Sea

Océano Profundo 2015: Exploring Puerto Rico’s Seamounts, Trenches, and Troughs

NOAA Ship Okeanos Explorer