The aerobic scope of an antarctic fish, Pagothenia borchgrevinki and its significance for metabolic cold adaptation

Forster, ME, Franklin, CE, Taylor, HH and Davison, W (1987) The aerobic scope of an antarctic fish, Pagothenia borchgrevinki and its significance for metabolic cold adaptation. Polar Biology, 8 2: 155-159. doi:10.1007/BF00297069


Author Forster, ME
Franklin, CE
Taylor, HH
Davison, W
Title The aerobic scope of an antarctic fish, Pagothenia borchgrevinki and its significance for metabolic cold adaptation
Journal name Polar Biology   Check publisher's open access policy
ISSN 0722-4060
Publication date 1987-01-01
Year available 1987
Sub-type Article (original research)
DOI 10.1007/BF00297069
Open Access Status Not yet assessed
Volume 8
Issue 2
Start page 155
End page 159
Total pages 5
Place of publication NEW YORK
Publisher Springer-Verlag
Language eng
Subject 2303 Ecology
1100 Agricultural and Biological Sciences
Abstract Resting weight-specific oxygen consumption of the cryopelagic Antarctic nototheniid Pagothenia borchgrevinki at 0°C was 39.6 ml kg-1 · h-1 for a 50 g fish, with oxygen consumption being described by the regression equation: log10 VO2(ml/h)=-1.104+0.825 log10 Mb (g). These values are considerably below those raported by Wohlschlag (1964a,b). VO2 max. in forced swimming was described by the regression equation: log10 VO2 max = -0.507+0.823 log10 Mb. Despite low basal metabolism, factorial aerobic scope is similar to that reported for most other teleost fish, as is the cost of net transport. Myotomal muscles were used only at the highest swimming speeds and once they were recruited the fish fatigued rapidly. After swimming, oxygen debt was repaid rapidly, with a half-time of 20 min.
Keyword Biodiversity Conservation
Ecology
Biodiversity & Conservation
Environmental Sciences & Ecology
BIODIVERSITY CONSERVATION
ECOLOGY
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Wed, 30 Mar 2016, 03:36:22 EST by Gail Walter