New Zealand Journal of Marine and Freshwater Research abstracts

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Settlement of the red rock lobster, Jasus edwardsii, near Gisbome, New Zealand

J. D. BOOTH S. C. TARRING*

Fisheries Research Centre Ministry of Agriculture and Fisheries P. O. Box 297, Wellington New Zealand

Abstract A collector monitored the settlement of the puerulus stage of Jasus edwardsii near Gis-borne during 1980-82. Details of the construction, deployment, and checking of the collector are given. The main peak of settlement occurred during winter, when catch rates averaged over a set of 3 collectors reached 0.9 puerulus per collector per day. There was evidence for a much smaller peak during summer. Puerulus settling during winter were significantly larger than those settling at other times of the year. The highest number of animals on an individual collector was 18. The collector may prove useful in providing an index of natural settlement.

Keywords rock lobster; Palinuridae; Jasus edwardsii; settlement; collector; puerulus stage; recruitment; New Zealand

New Zealand Journal of Marine and Freshwater Research, 1986, Vol. 20: 291-297 Received 3 August 1984; accepted 30 October 1985

PDF file of entire paper: medium quality (996K); (scanned from paper original: notes about this process)

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