Locomotor Activity in the Western Rock Lobster, Panulirus longipes cygnus
- 1 January 1978
- journal article
- research article
- Published by CSIRO Publishing in Marine and Freshwater Research
- Vol. 29 (2) , 169-174
- https://doi.org/10.1071/mf9780169
Abstract
Daily locomotor activity rhythms in individual P. longipes cygnus were shown to be of a non- crepuscular nature with peak activity occurring immediately after the onset of darkness. Mean activity of animals in an intermoult stage increased with increasing temperature between 17 and 25�C but then declined, whilst for animals in a premoult stage there was no significant trend with temperature, activity rates remaining at a low level. Individual variation of response of intermoult animals also increased with temperature and is suggested as a contributing factor to high daily variation in commercial catch rates during months of high water temperature.Keywords
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