The biometry of gills of 0-group European flounder

Mark G J Hartl, Stephen Hutchinson, Lawrence E Hawkins, M Eledjam

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    10 Citations (Scopus)


    The gill surface area of 0-group, post-metamorphic Pleuronectes flesus L. was examined using digital image analysis software and expressed in relation to body mass according to the equation logY = loga + c logW (a = 239.02; c = 0.723). The components that constitute gill area, total filament length, interlamellar space and unilateral lamellar area were measured. The measurement of the length of every filament on all eight arches showed that commonly used methods of calculation can lead to an under-estimation of up to 24% of total filament length. Direct measurements of unilateral lamellar area with digital image analysis showed that previously reported gill area data for the same species was over-estimated by as much as 58%. In addition, in this species the neglect of gill pouch asymmetry after metamorphosis, can bring about a 14% over-estimation of total gill area. (C) 2000 The Fisheries Society of the British Isles.

    Original languageEnglish
    Pages (from-to)1037-1046
    Number of pages10
    JournalJournal of Fish Biology
    Issue number4
    Publication statusPublished - Oct 2000


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