Cross-reaction to skin extract between two gobies,Asterropteryx semipunctatus andBrachygobius sabanus |
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| Authors: | R J F Smith B J Lawrence M J Smith |
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| Affiliation: | (1) Biology Départment, University of Saskatchewan, S7N 0W0 Saskatoon, Saskatchewan, Canada |
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| Abstract: | Two gobies that possess alarm pheromones were tested for cross-reactions to water extracts of injured members of the other species in the first such cross-reaction test conducted in the Family Gobiidae.A. semipunctatus reacted to extract from injuredBrachygobius sabanus with the same bobbing and reduction in activity as it shows in response to conspecific extract. However,B. sabanus showed a feeding response, including increased activity, to extract from injuredA. semipunctatus. Even a one-way cross-reaction suggests some degree of homology between the alarm pheromone systems of the two species. |
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| Keywords: | Alarm pheromone Schreckstoff alarm substance goby Asterropteryx semipunctatus Brachygobius sabanus Gobiidae fish behavior |
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