Threshold for detection of naphthalene and other behavioral responses by the blue crab,Callinectes sapidus |
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| Authors: | Walter H. Pearson Bori L. Olla |
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| Affiliation: | 1. Battelle Pacific Northwest Laboratories Marine Research Laboraory, Route 5, Box 1000, 98382, Sequim, Washington
2. National Marine Fisheries Service Northeast Fisheries Center Sandy Hook Laboratory, U.S. Department of Commerce, 07732, Highlands, New Jersey
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| Abstract: | Using behavioral criteria developed in previous studies, the threshold concentration at which the blue crab,Callinectes sapidus, detected the petroleum hydrocarbon naphthalene was found to be 10?7 mg/l. Oriented locomotor activity and defensive displaying began at 2 mg/l of naphthalene. No feeding behavior was observed up to and including the maximum naphthalene concentration of 5 mg/l. Below 2 mg/l the blue crab apparently had no active behavioral response to naphthalene exposure other than detection. |
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