<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">The structure of the gill respiratory surface area (GRSA) was analyzed in nine specimens of <italic>Gymnocephalus cernuus</italic> (L.) of different body weights. The observed GRSA values increased from 4638.46 mm2 in the smallest specimen to 19522.8 mm2 in the largest one. The allometric relationship of different gill components to body weight were estimated using the equation Y = aWb. The calculated allometric relationship between GRSA and body weight is expressed with the equation: Y=1348.16W0.687. The relationships between GRSA and body weight are statistically significant, the correlation coefficients are positive and significant (P &lt; 0.01), and their values range from 0.95 to 0.99. The results obtained show that previously published GRSA values for ruffe were overestimated.</abstract>

The structure of the gill respiratory surface area (GRSA) was analyzed in nine specimens of Gymnocephalus cernuus (L.) of different body weights. The observed GRSA values increased from 4638.46 mm2 in the smallest specimen to 19522.8 mm2 in the largest one. The allometric relationship of different gill components to body weight were estimated using the equation Y = aWb. The calculated allometric relationship between GRSA and body weight is expressed with the equation: Y=1348.16W0.687. The relationships between GRSA and body weight are statistically significant, the correlation coefficients are positive and significant (P < 0.01), and their values range from 0.95 to 0.99. The results obtained show that previously published GRSA values for ruffe were overestimated.

Morphometry of the gill respiratory area in ruffe, <italic>Gymnocephalus cernuus</italic> (L.)

Medical Collage, Poison Information Center, Jagiellonian University, Os. Złotej Jesieni 1, 31-826 Kraków, Poland

Department of Cytology and Histology, Institute of Zoology, Jagiellonian University, Kraków, Poland

Fisheries & Aquatic Life

Morphometry of the gill respiratory area in ruffe,  (L.)

The structure of the gill respiratory surface area (GRSA) was analyzed in nine specimens of Gymnocephalus cernuus (L.) of different body weights. The observed...

Morphometry of the gill respiratory area in ruffe, Gymnocephalus cernuus (L.)

Pubblicato online: 04 mag 2010

Pagine: 59 - 63

DOI: https://doi.org/10.2478/v10086-010-0007-y

Parole chiave
gill surface, morphometry, ruffe

This content is open access.