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- Title
Aquatic Oxygen Uptake of the Freshwater Dual Breathing Featherback, Notopterus notopterus (Pallas) in Relation to Body Weight.
- Authors
Kumari, R.; Roy, P.K.; Ghosh, T.K.
- Abstract
Oxygen uptake (VO2) through the gills in relation to body weight has been studied in Notopterus notopterus at 24.0±1.0°C under continuous water flow system. With gradual increase in body weight from 5.10 to 122.33 g, the oxygen uptake increased from 1.164- 3.975 mlO2.h-1. The log-log plot between the oxygen uptake per unit time and body weight gave a straight line with the slope 'b' value of 0.421. The relationship between the two variables was found to be highly significant (r= 0.986; p<0.001). However, the weight specific oxygen uptake decreased from 228.36 to 32.49 with increase in body weight from 5.10 to 122.33 g. A straight line with slope 'b' value of -0.629 was obtained when plotted on log-log coordinates, showing a highly significant negative correlation (r= 0.985; p<0.001).
- Subjects
BRACKISH water fishes; FISH speciation; FISH metabolism; RESPIROMETERS; FISH weight; HYDRAULICS
- Publication
Our Nature, 2010, Vol 8, Issue 1, p131
- ISSN
1991-2951
- Publication type
Article