Locomotion by Epiactis prolifera (Coelenterata: Actiniaria) |
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| Authors: | D. F. Dunn |
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| Affiliation: | (1) Department of Zoology, University of California, Berkeley, California, USA;(2) University of California Bodega Marine Laboratory, Bodega Bay, California, USA;(3) Department of Invertebrate Zoology, California Academy of Sciences, Golden Gate Park, 94118 San Francisco, California, USA |
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| Abstract: | Overlay maps were used to study locomotion by the externally brooding actinian Epiactis prolifera Verrill, 1869, in the rocky intertidal zone near Bodega Bay, California, USA. A greater proportion of non-brooding individuals moved than did brooding ones. Although brooding anemones that moved traveled twice as rapidly as non-brooders that moved, brooders were generally larger, and the relative rate of travel of the two groups was identical. The net distance traveled by all the anemones was only 36.0% of the gross, and most of the movement appeared to be undirected.This work was done in partial fulfillment of the requirements for the Ph.D. degree in the Department of Zoology, University of California, Berkeley, and was supported by a U.S. National Science Foundation Traineeship. |
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