Habitat preference in newly settled coral trout (Plectropomus leopardus, Serranidae) |
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Authors: | P R Light G P Jones |
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Institution: | (1) Department of Marine Biology, James Cook University, Townsville QLD 4810, Australia, AU |
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Abstract: | The densities of newly settled coral trout (Plectropomus leopardus, Pisces, Serranidae) were monitored in a variety of habitats on Green Reef in the Cairns section of the Great Barrier Reef
to assess whether spatial patterns of recruitment are influenced by physical features of the substratum, and whether this
species uses different habitats during its ontogeny. Surveys showed that small juveniles used sites that were significantly
different from random and that these habitat associations changed as the fish grew larger. Specifically, coral trout recruited
to level patches of rubble substrata >5 m2 and subsequently shifted to high relief features. Densities of recruits were related to the amount of rubble substrata available.
Accepted: 4 July 1996 |
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