Relationship between fish size and otolith length for 63 species of fishes from the Eastern North Pacific Ocean

Harvey, James T. and Loughlin, Thomas R. and Perez, Michael A. and Oxman, Dion S. (2000) Relationship between fish size and otolith length for 63 species of fishes from the Eastern North Pacific Ocean. Seattle, WA, NOAA/National Marine Fisheries Service, (NOAA Technical Report NMFS, 150)

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Abstract

Otoliths commonly are used to determine the taxon, age, and size of fishes. This information is useful for population management, predator-prey studies, and archaeological research. The relationship between the length of a fish and the length of its otoliths remains unknown for many species of marine fishes in the Pacific Ocean. Therefore, the relationships between fish length and fish weight, and between otolith length and fish length, were developed for 63 species of fishes caught in the eastern North Pacific Ocean. We also summarized similar relationships for 46 eastern North Pacific fish species reported in the literature. The relationship between fish length and otolith length was linear, and most of the variability was explained by a simple least-squares regression (r 2 > 0.700 for 45 of 63 species). The relationship between otolith length and fish length was not significantly different between left and right otoliths for all but one fish species. Images of otoliths from 77 taxa are included to assist in the identification of species. (PDF file contains 38 pages.)

Item Type: Monograph or Serial Issue
Title: Relationship between fish size and otolith length for 63 species of fishes from the Eastern North Pacific Ocean
Personal Creator/Author:
CreatorsEmail
Harvey, James T.
Loughlin, Thomas R.
Perez, Michael A.
Oxman, Dion S.
Series Name: NOAA Technical Report NMFS
Number: 150
Date: 2000
Publisher: NOAA/National Marine Fisheries Service
Place of Publication: Seattle, WA
Issuing Agency: United States National Marine Fisheries Service
Subjects: Ecology
Management
Fisheries
Item ID: 2511
Depositing User: Patti M. Marraro
Date Deposited: 28 Jul 2009 17:02
Last Modified: 29 Sep 2011 18:59
URI: http://aquaticcommons.org/id/eprint/2511

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