Abstract
The swimming behaviour of the Norway lobster, Nephrops norvegicus (L.), was studied in the laboratory. The lobsters were stimulated to swim repeatedly until they failed to respond to a single tactile stimulus. The position of the initiating stimulus on the body determined the height of the escape path above the bottom of the tank. A stimulus to the rostrum resulted in a low swimming trajectory, rarely exceeding a height of 0.1 m. A similar tactile stimulus to the abdomen produced higher mean swimming trajectories up to 0.5 m. Several parameters of swimming performance and endurance were measured for each swimming sequence, including distance, duration, mean and maximum velocities and the frequency and number of tail beats. Results showed no significant differences in the average swimming performance and endurance of males and females, but there was a sex difference in the relationship between swimming performance and N. norvegicus size.
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Communicated by J. Mauchline, Oban
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Newland, P.L., Chapman, C.J. & Neil, D.M. Swimming performance and endurance of the Norway lobster Nephrops norvegicus . Marine Biology 98, 345–350 (1988). https://doi.org/10.1007/BF00391110
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DOI: https://doi.org/10.1007/BF00391110