Habitat partitioning among five species of darters (Percidae: Etheostoma)
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An analysis of habitat partitioning among five species of darters (Etheostoma blennioides, E. caeruleum, E. spectabile, E. tetrazonum and E. zonale) suggests that differential use of vegetation types is of primary importance in the microhabitat separation of these species. Substrate size, depth and current appear to separate only one species consistently. A comparison of data from localities where all species were collected with localities where a one of the five species was absent suggests some degree of habitat displacement.
KeywordsEcology Fish community Perciformes Resource partitioning
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