Starfish encounters: An experimental study of its advantages |
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Authors: | N A Sloan |
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Institution: | (1) Department of Zoology and Comparative Physiology, Queen Mary College, University of London, London, England;(2) Present address: Bermuda Biological Station, St. George's West 1-15, Bermuda |
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Abstract: | Summary The predatory starfishCrossaster papposus exploits a chemically mediated escape response in another predatory starfishAsteria rubens when a common food resource is available to both species. Intraspecific avoidance amongC. papposus is strong and functions in dispersal. Responses to inter- and intraspecific encounters among starfish may be important to the predatory ecology of species in high positions in their food webs.I thank the MAFF. Fisheries Lab., Burnham-on-Crouch for hospitality and facilities, Prof. N.B. Marshall, F.R.S. and Dr A.C. Campbell for laboratory facilities at Q.M.C. |
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