Letter | Published:

Rate of Tissue Metabolism of Marine Cold-blooded Animals in Different Latitudes

Nature volume 139, page 369 (27 February 1937) | Download Citation



IN previous communications to NATUBE1 the activities and metabolism of arctic and English marine invertebrates were compared. It was shown that English species consume more oxygen, at the temperatures at which they live, than nearly related arctic species at the lower temperatures of their habitats. Since the locomotory activities of the English species are apparently no greater than those of their arctic cousins, the hypothesis was proposed that the greater oxygen consumption of the former is due to a greater non-locomotory metabolism. We have now tested this hypothesis for prawns living in the two waters by measuring the oxygen consumption of thin isolated muscles as well as that of the whole animals. The dorsal extensor muscles of the abdomen were used.

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  1. 1.

    , NATURE, 137, 903 (May 30, 1936); and 138, 839 (November 14, 1936).

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  1. Kristinebergs Zoologiska Station, and University of Birmingham.

    • H. MUNRO Fox
    •  & C. A. WINGFIELD


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