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The stock structure of grey mackerel Scomberomorus semifasciatus in Australia as inferred from its parasite fauna
Authors:Robbie A Charters  Robert JG Lester  Rik C Buckworth  Stephen J Newman  Jennifer R Ovenden  Damien Broderick  Olena Kravchuk  Aaron Ballagh  David J Welch
Institution:1. Parasitology, SCMB, University of Queensland, Brisbane, QLD 4072, Australia;2. Fisheries, Northern Territory Department of Regional Development, Primary Industries, Fisheries & Resources, GPO Box 3000, Darwin, NT 0801, Australia;3. Western Australian Fisheries and Marine Research Laboratories, Department of Fisheries, Government of Western Australia, PO Box 20, North Beach, WA 6920, Australia;4. Molecular Fisheries Laboratory, Queensland Primary Industries & Fisheries, University of Queensland, Brisbane, QLD 4072, Australia;5. School of Land, Crop and Food Sciences, University of Queensland, Brisbane, QLD 4072, Australia;6. Fishing & Fisheries Research Centre, School of Earth and Environmental Sciences, James Cook University, Townsville, QLD 4811, Australia;7. Queensland Primary Industries & Fisheries, Department of Employment, Economic Development and Innovation, PO Box 1085, Oonoonba, QLD 4811, Australia;1. INRA, UMR1213 Herbivores, F-63122 Saint-Genès-Champanelle, France;2. Clermont Université, VetAgro Sup, UMR Herbivores, BP 10448, F-63000 Clermont-Ferrand, France;3. Université de Lyon, VetAgro Sup, UMR1213 Herbivores, F-69280 Marcy l?Etoile, France;4. INRA, UMR 1198 Biologie du Développement et Reproduction, F-78352 Jouy-en-Josas, France;5. INRA, UCEA Bressonvilliers, 91630 Leudeville France;1. East China University of Science and Technology, Shanghai 200237, China;2. City University of Hong Kong, Hong Kong SAR, China;3. University of Shanghai for Science and Technology, Shanghai 200093, China;4. Shanghai Jiao Tong University, Shanghai 200240, China;1. National Institute of Nutrition and Seafood Research (NIFES), P.O. Box 2029, Nordnes, N-5817 Bergen, Norway;2. Max Rubner-Institute, Federal Research Institute of Nutrition and Food, Department of Safety and Quality of Milk and Fish Products, Palmaille 9, 22767 Hamburg, Germany
Abstract:The scombrid Scomberomorus semifasciatus is an important component of inshore fisheries in tropical Australia. Data on the parasite fauna of 593 fish from areas off northern and eastern Australia were examined for evidence of discrete fish populations. The parasites used were juveniles of Pterobothrium pearsoni, Callitetrarhynchus gracilis, Anisakis simplex (sensu latu) and Terranova sp. Tukey Kramer pairwise comparisons gave significant differences in the abundances of two or more parasites between fish from the east coast, the eastern Gulf of Carpentaria and the remainder of northern Australia. Multivariate analysis gave further evidence of differences and the results suggest that at least 4 populations or stocks of grey mackerel occur along the northern and eastern coastline of Australia.
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