The orbiniids can be kept on board in a tank of sea water. They tend to group and form balls, as they do in their natural environment. If you look closely, you can see the well-developed gills on either side of the anterior part (bright red). Image courtesy of Gulf of Mexico 2002, NOAA/OER.

Related Links

Gulf of Mexico

Gulf of Mexico: October 12, 2002

NOAA Ocean Explorer Gallery