Co-Authors:
Karplus, I., The Heinz Steinitz Marine Biology Laboratory, the Hebrew University of Jerusalem, Elat, Israel
Szlep, R., The Heinz Steinitz Marine Biology Laboratory, the Hebrew University of Jerusalem, Elat, Israel
M., T., The Heinz Steinitz Marine Biology Laboratory, the Hebrew University of Jerusalem, Elat, Israel
Abstract:
The distribution and partner specificity of six species of gobies and seven species of burrowing alpheid shrimp were investigated down to a depth of 20 m in the northern Red Sea. Different species of shrimp are found in shallow and in deep waters. Shallow and deep water species differ with respect to their horizontal distribution. The species of shrimp in shallow water are found in different habitats defined by the character of the sediment and the distance from the reef. All deep water shrimp are found in the same habitat. The gobies are less attached to a specific habitat and are found in habitats determined by the species of their shrimp partners. A statistical analysis of goby-shrimp partner specificity was made on more than 750 associations. Partner specificity was found in shallow but not in deep water. Three different types of specificity were found: 1. (1) co-occurrences, correlation coefficient positive, 2. (2) co-occurrences, correlation coefficient negative, 3. (3) no co-occurrences, correlation coefficient negative. Various possible mechanisms regulating partner specificity are discussed. © 1981.
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