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Type: Journal article
Title: Notes on the population structure of the piked spurdog (Squalus megalops) in southeastern Australia
Author: Braccini, J.
Gillanders, B.
Walker, T.
Citation: Ciencias Marinas, 2006; 32(4):705-712
Publisher: Instituto Investigaciones Oceanologicas
Issue Date: 2006
ISSN: 0185-3880
Statement of
J.M. Braccini, B.M. Gillanders, T.I. Walker
Abstract: Opportunistic sampling suggested a complex population structure for Squalus megalops in southeastern Australia. A total of 929 sharks were analyzed. The sex ratio was biased towards females and there was sexual size dimorphism, with females attaining a larger maximum size than males. Individual analysis of selected fishing shots suggested that S. megalops had a complex population structure, and was segregated by sex, size and breeding condition. Small females and males segregated from large females. In addition, large females in the first year of pregnancy seemed to be separated from those in the second year of pregnancy.
Rights: © 2006 Instituto Investigaciones Oceanologicas
RMID: 0020062079
DOI: 10.7773/cm.v32i4.1157
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Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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