Length measurement methods of Atlantic mackerel (Scomber scombrus) and Atlantic horse mackerel (Trachurus trachurus) – current practice, conversion keys and recommendations

Flemming Thorbjørn Hansen*, Finlay Burns, Søren Lorenzen Post, Uffe Høgsbro Thygesen, Teunis Jansen

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

International monitoring of Atlantic mackerel (Scomber scombrus) and Atlantic horse mackerel (Trachurus trachurus), two commercial and ecologically epipelagic fish species in the North Atlantic, is currently done inconsistently. Depending on the country and institute, the length of a specimen is measured as either ‘Fork Length’, ‘Pinched Tail Length’ or ‘Total Length’. This inconsistency increases the uncertainty of results from data analyses that are based on international data compilations. Here we provide conversion tables between all three methods for both species, based on field sampling in Greenlandic and Scottish waters. For both species, we recommend the use of ‘Fork Length’ or ‘Pinched Tail Length’ rather than ‘Total Len
Original languageEnglish
JournalFisheries Research
Volume205
Pages (from-to)57-64
ISSN0165-7836
DOIs
Publication statusPublished - 2018

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