Summary[edit] Description: Español: Colonias de Abietinaria sp en el Refugio de Vida Marina Hopkins, Monterey, EE.UU. Date: 30 November 2005, 14:30:00. Source: http://sanctuarysimon.org/photos/photo_info.php?photoID=2785. Author: Steve Lonhart / NOAA MBNMS.
The gonangia arise from the central stalk of a fernlike spray. They release sperm that fertilize retained eggs. These eggs develop into planula larvae which are released.