Comparison of Standard Length, Fork Length, and Total Length for Measuring West Coast Marine Fishes

Kahn, Reina G. and Pearson, Donald E. and Dick, Edward J. (2004) Comparison of Standard Length, Fork Length, and Total Length for Measuring West Coast Marine Fishes. Marine Fisheries Review, 66(1), pp. 31-33.

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Official URL: http://spo.nmfs.noaa.gov/mfr661/mfr6614.pdf

Abstract

Measurements of adult marine fishes on the U.S. west coast are usually made using one of three methods: standard length, fork length, or total length. Each method has advantages and disadvantages. In this paper we attempt to determine whether one method is faster and/or more reliable than the other methods. We found that all three methods were comparable. There was no appreciable difference in the time it took to measure fish using the different methods. Fork length had the most reproducible results; however, it had the highest level of bias between researchers. We therefore suggest that selection of measurement type be based on what other researchers have used for the species under study. The best improvement in measurement reliability probably occurs by adequate training of personnel and not type of measurement used.

Item Type: Article
Title: Comparison of Standard Length, Fork Length, and Total Length for Measuring West Coast Marine Fishes
Personal Creator/Author:
CreatorsEmail
Kahn, Reina G.
Pearson, Donald E.
Dick, Edward J.
Refereed: Yes
Journal or Publication Title: Marine Fisheries Review
Volume: 66
Number: 1
Page Range: pp. 31-33
Date: 2004
ISSN: 0090-1830
Issuing Agency: United States National Marine Fisheries Service
Subjects: Ecology
Fisheries
Management
Item ID: 9729
Depositing User: Patti M. Marraro
Date Deposited: 15 Aug 2012 18:07
Last Modified: 15 Aug 2012 18:08
URI: http://aquaticcommons.org/id/eprint/9729

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