Behavior Genetics

, Volume 13, Issue 1, pp 65–75 | Cite as

Enzyme polymorphism associated with habitat choice in the intertidal snailTegula funebralis

  • Bruce A. Byers


The black turban snail,Tegula funebralis, is found in the intertidal zone of the North American Pacific coast, a region of extreme spatial heterogeneity. Associations between genetic polymorphism and habitat choice are predicted by theoretical models of the maintenance of genetic polymorphism in spatially heterogeneous environments, such as that occupied byTegula funebralis. Habitat choice was studied in individually marked snails at two locations. Genotypes of marked snails were then determined at two highly polymorphic enzyme loci, leucine aminopeptidase (LAP) and phosphoglucose isomerase (PGI), using starch gel electrophoresis. Multiple regression analysis showed that a snail's size, sex, and enzyme genotype were associated with its habitat selection behavior.

Key Words

habitat choice enzyme polymorphism intertidal snail Tegula funebralis individual-marking technique 


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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • Bruce A. Byers
    • 1
  1. 1.Department of Environmental, Population and Organismic BiologyUniversity of ColoradoBoulder

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