Reexamination of the Byczkowska-Smyk gill surface area data for European teleosts, with new measurements on the pikeperch, Sander lucioperca |
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Authors: | Leszek Satora Nicholas C Wegner |
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Institution: | (1) Poison Information Center, Medical College, Jagiellonian University, Krak?w, Poland;(2) Center for Marine Biotechnology and Biomedicine, Marine Biology Research Division, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA; |
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Abstract: | This paper reexamines the gill morphometrics of 20 European teleosts first reported in the early gill literature by Byczkowska-Smyk
and colleagues in attempt to clarify the long-recognized discrepancies between these data and those obtained in subsequent
works. Determination of gill dimensions for the pikeperch, Sander lucioperca, in this study (a species for which Byczkowska-Smyk reported data), along with a literature review for other European teleosts,
reveals inaccurate estimation of the total gill surface area by up to 18× for 19 of the 20 species reexamined. This error
results primarily from imprecise determination of the bilateral surface area of individual gill lamellae and, to a lesser
extent, the incorrect assumption that lamellar area and frequency are species-specific constants that do not vary with fish
body mass. This review compiles gill morphometric data from various sources to be used in place of the inaccurate gill area
estimates of Byczkowska-Smyk and colleagues and thereby clears the way for higher resolution in the comparative analysis of
gill morphology and its correlation to fish habitat and life history characteristics. |
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