Document Detail

Importance of air and water breathing in relation to size of the African lungfish Protopterus amphibius Peters.
MedLine Citation:
PMID:  1003086     Owner:  NLM     Status:  MEDLINE    
1. Oxygen uptakes from air and water have been measured in relation to weight of the African lungfish Protopterus amphibius Peters. 2. Combined O2 uptake from air and water ranged from 60 ml O2 kg-1 h-1 STPD, in a 3-7 g specimen, to 30 ml O2kg-1 h-1, in a 255 g specimen. 3. While the combined O2 uptake changed by a factor of 2, within the weight range under study, the aquatic O2 uptake changed 8-fold within the same range. The smaller fish satisfy 70% of their O2 requirement by aquatic breathing compared to 10-15% in the grown specimens. 4. The pattern of bimodal breathing in P. amphibius is discussed in relation to the natural habitat of the species.
K Kohansen; J P Lomholt; G M Maloiy
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of experimental biology     Volume:  65     ISSN:  0022-0949     ISO Abbreviation:  J. Exp. Biol.     Publication Date:  1976 Oct 
Date Detail:
Created Date:  1977-02-24     Completed Date:  1977-02-24     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0243705     Medline TA:  J Exp Biol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  395-9     Citation Subset:  IM    
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MeSH Terms
Body Weight
Fishes / anatomy & histology,  physiology*
Fresh Water
Oxygen Consumption

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