Limitations of Energy Acquisition and Energy Use in Small Poikilotherms: Evolutionary Implications

On the basis of morphological and physiological evidence, I suggest that the ecological problems that young fish have to face after hatching are linked to fundamental problems of energy acquisition and energy use of small metazoans. A selection is postulated that would (if sufficient genetic variabi...

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Bibliographic Details
Published in:Functional ecology 1991-01, Vol.5 (2), p.234-240
Main Author: Wieser, W.
Format: Article
Language:English
Subjects:
Energy metabolism
Enzymes
Essay Reviews
Fish
Fish larvae
Freshwater
Larvae
Larval development
Metabolism
Oxygen consumption
Pisces
Swimming
Young animals
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Summary:On the basis of morphological and physiological evidence, I suggest that the ecological problems that young fish have to face after hatching are linked to fundamental problems of energy acquisition and energy use of small metazoans. A selection is postulated that would (if sufficient genetic variability were available) tend to increase the flow of metabolic energy through animals, liberating the animals from the constraints of tight energy budgeting.
ISSN:0269-8463
1365-2435
DOI:10.2307/2389261