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Journal of Experimental Biology 53,211-220 (1970)
Published by Company of Biologists 1970

Control of Preparatory Feeding Behaviour in the Sea Anemone Tealia Felina

I. D. McFARLANE ¹

¹ Gatty Marine Laboratory, University of St Andrews, Scotland

1. Dissolved food substances elicit preparatory feeding behaviour in the sea anemone Tealia felina. This behaviour takes the form of expansion of the oral disk and lowering of the margin of the disk. Food may also cause mouth opening and pharynx protrusion. This pre-feeding response may increase the chance of food capture.

2. The expansion and lowering of the oral disk can also be elicited by electrical stimulation of a slow conduction system, the SS1, thought to be located in the ectoderm.

3. SS1 activity is seen when the anemone is exposed to dissolved food substances.

4. It is concluded that preparatory feeding behaviour in Tealia is mediated in part by the SS1.

This article has been cited by other articles:

				K. J. Lindstedt Biphasic Feeding Response in a Sea Anemone: Control by Asparagine and Glutathione Science, July 23, 1971; 173(3994): 333 - 334. [Abstract] [PDF]