NAFO posted on December 01, 1992 12:40
J. J. Hunt
Department of Fisheries and Oceans, Marine Fish Division
St. Andrews, New Brunswick, Canada
Source - Journal of Northwest Atlantic Fishery Science, Volume 13: 63-75
ISSN-0250-6408
Hunt, J.J. 1992. Morphological Characteristics for Otoliths of Selected Fish in the Northwest Atlantic. J. Northw. Atl. Fish. Sci. 13: 63-75. https://doi.org/10.2960/J.v13.a5
Abstract
The relationships between otolith dimensions and fish size for six demersal and two pelagic species were examined and found to be both curvilinear and species-specific. Otolith morphometric observations included length for all species examined and weight, width, volume, cross-sectional area and location of the focal point for selected species. Regression models relating each otolith morphometric parameter to fish length are provided. Statistical tests to examine correlation between left and right otolith dimensions were carried out and, for redfish, correlation in otolith morphology between sexes was also analyzed. There appeared to be no statistically significant difference between left and right otolith or between sexes. The significance of each parameter for estimating fish length was examined and a multiple regression model determined. Otolith weight appeared to have the best discrimination for estimating fish length as well as the easiest parameter to measure.
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Language - English
Publisher - Northwest Atlantic Fisheries Organization (NAFO), Dartmouth, N.S., Canada
Publication Date - December 1992
Publication Type - Journal Article
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Citation: Hunt, J.J. 1992. Morphological Characteristics for Otoliths of Selected Fish in the Northwest Atlantic. J. Northw. Atl. Fish. Sci. 13: 63-75. https://doi.org/10.2960/J.v13.a5