The midwater hydromedusae Atolla tenella. Notice the characteristic trailing of one tentacle that is much longer than the rest. Image courtesy of Arctic Exploration 2002, Kevin Raskoff, MBARI, NOAA/OER.
The midwater hydromedusae Atolla tenella. Notice the characteristic trailing of one tentacle that is much longer than the rest. Image courtesy of Arctic Exploration 2002, Kevin Raskoff, MBARI, NOAA/OER.