Burrowing by the bivalve mollusc Lithophaga curta in the living reef coral Montipora berryi and a hypothesis of reciprocal larval recruitment |
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Authors: | R C Highsmith |
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Institution: | (1) Department of Zoology, University of Washington, 98195 Seattle, Washington, USA;(2) Present address: Smithsonian Tropical Research Institute, Box 2072, Balboa, Republic of Panamá |
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Abstract: | The burrowing bivalve Lithophaga curta is abundant (8 to 9 per 100 cm2) in the encrusting, hermatypic coral Montipora berryi at Enewetak; this is the first report of L. curta colonizing living coral. Conversely, larvae of M. berryi appear to settle in empty bivalve burrows, tentatively identified as those of L. curta, located in dead M. berryi. Several hypotheses are suggested on the adaptive significance of substrate selection by larvae of both species and an overall hypothesis of reciprocal recruitment, describing the dynamic aspects of this apparently co-evolved relationship, is proposed. |
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