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A novel use of near infrared spectroscopy: ageing deepwater sharks

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Rigby, C. L., Wedding, B. B., Grauf, S. and Simpfendorfer, C. A. (2015) A novel use of near infrared spectroscopy: ageing deepwater sharks. NIR news, 26 (4). pp. 4-5. ISSN 0960-3360

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Article Link: http://dx.doi.org/10.1255/nirn.1530

Publisher URL: https://www.impublications.com/subs/nirn/v26/N26_0404.pdf


To age sharks, the growth bands in the shark vertebrae (like the rings in a tree) or on the spines in front of each dorsal fin (which only some sharks have) are manually counted using a microscope. This is time-consuming and is only possible on dead animals. NIR spectroscopy is shown to be able to detect age in dorsal fin spines of sharks and hand-held NIR spectroscopy units could potentially be used for ageing of sharks in the field, at sea, using a hand-held unit to scan the fin spine on a live animal.

Item Type:Article
Business groups:Crop and Food Science
Subjects:Technology > Technology (General) > Spectroscopy > NIR (Near Infrared)
Aquaculture and Fisheries > Fisheries > Fishery technology
Live Archive:06 Jul 2015 00:52
Last Modified:21 Aug 2023 06:32

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