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Journal of Experimental Biology 49,689-699 (1968)
Published by Company of Biologists 1968

The Chemical Control of Feeding Behaviour in Cyphastrea Ocellina And In Some Other Hawaiian Corals

RICHARD N. MARISCAL ¹ and HOWARD M. LENHOFF ²

¹ Hawaii Institute of Marine Biology, University of Hawaii Kaneohe, Hawaii 96744; Department of Biological Science, Florida State University, Tallahassee, Florida 32306
² Hawaii Institute of Marine Biology, University of Hawaii Kaneohe, Hawaii 96744; Laboratory for Quantitative Biology, University of Miami, Coral Gables, Florida 33124

1. The feeding response of the Hawaiian coral Cyphastrea ocellina was elicited by alcoholic extracts of Artemia nauplii and of plankton.

2. Chromatographic analysis of these extracts revealed that the imino acid proline was primarily responsible for the observed mouth opening and feeding behaviour.

3. Somewhat less feeding activity was also caused by the reduced tripeptide glutathione.

4. Analogues of these compounds, pipecolic acid and S-methyl glutathione, respectively, were as effective as the naturally occurring compounds.

5. Some data are also presented for the feeding responses of two other Hawaiian corals, Pocillopora damicronis and Fungia scutaria.

Note:

Contribution No. 289 of the Hawaii Institute of Marine Biology

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