How to Distinguish from Similar Species: This is the only species of zoanthid in our area. While Anthopleura elegantissima anemones aggregate, they are not actually attached together, plus they are green and intertidal.
Geographical Range: Western Aleutian Islands, Alaska to northern Channel Islands, CA
Depth Range: Low intertidal to 54 m
Habitat: Rocks in strong current
reproduce asexually by budding, thus adding to the colony.
also reproduce sexually. These animals may take several hours
expand again if they are stimulated to contract.
Kozloff 1987, 1996
General Notes and Observations: Locations, abundances, unusual behaviors:
I have not seen these colonies before around Rosario, but perhaps that is because they are not particularly showy and I haven't noticed them. I was startled to see Jim Nestler's 2005 photo of zoanthids right from Northwest Island. I will have to watch more carefully for them.
Authors and Editors of Page:
Dave Cowles (2005): Created original page