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Otolith microstructure reveals long lifespan for Giant Boarfish (Paristiopterus labiosus) (Günther 1872)

Visconti, V., Hamilton, D.J. and Coulson, P.G. (2020) Otolith microstructure reveals long lifespan for Giant Boarfish (Paristiopterus labiosus) (Günther 1872). Pacific Conservation Biology;, 27 (3). pp. 299-302.

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Life-history traits and the ecology of the family Pentacerotidae are known for only a fraction of the 13 species distributed worldwide. The Giant Boarfish (Paristiopterus labiosus) is known for its increasing recreational fishery and for undergoing spawning aggregations in Australasian waters but the biological characteristics remain scarce. Here, we report the capture of a large P. labiosus (962 mm total length and 9.2 kg total weight), close to the reported maximum size of 910 mm total length, from New Zealand waters and its age estimation. An estimated age of 36 years, based on counts of opaque zones in thin otolith sections, provides important information on the potential lifespan of the species, an important step forward to better understand its life history.

Item Type: Journal Article
Murdoch Affiliation(s): Centre for Sustainable Aquatic Ecosystems
Publisher: CSIRO Publishing
Copyright: © 2020 CSIRO
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