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Seasonal Variations in the Fat Content of the Flounder, Pleuronectes flesus L

Published online by Cambridge University Press:  11 May 2009

Douglas P. Wilson
Douglas P. Wilson
Affiliation:
Naturalist at the Plymouth Laboratory
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Extract

In the flounder adipose tissue forms a padding between the muscles to the dorsal and ventral fins. A little is present under the skin, more especially where the lateral line septa and the myocommata meet the skin. In addition a quantity of fat is associated with the skeleton.

Immature flounders living in the estuaries of the Tamar and Lynher are fattest after intense feeding during the summer, and leanest after the winter fast.

Maturing flounders have a high fat content before going to sea to spawn. While in the sea during the spawning season, February to April, very little feeding takes place and there is a rapid drop in fat content. Spent fish are very lean.

Those females which return to the estuaries after spawning rapidly make good their fat loss.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 23 , Issue 2 , May 1939 , pp. 361 - 379
Copyright
Copyright © Marine Biological Association of the United Kingdom 1939

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References

Bjerkan, P., 1917. Age, maturity and quality of North Sea herrings during the years 1910–13. Rep. Norweg. Fish. Mar. Invest., Vol. III, No. I, pp. I–119.Google Scholar
Bruce, J. R., 1924. Changes in the chemical composition of the tissues of the herring in relation to age and maturity. Biochem. Journ., Vol. XVIII, pp. 469–85.CrossRefGoogle Scholar
Channon, H. J. & El Saby, M. K., 1932. Fat metabolism of the herring. I. A preliminary survey. Biochem. Journ., Vol. XXVI, pp. 2021–34.CrossRefGoogle Scholar
Greene, C. W., 1914. The storage of fat in the muscular tissue of the king salmon and its resorption during the fast of the spawning migration. Bull. Bureau Fisheries Washington, Vol. XXXIII, pp. 69–138.Google Scholar
Greene, C. W. & Greene, C. H., 1914. The skeletal musculature of the king salmon. Bull. Bureau Fisheries Washington, Vol. XXXIII, pp. 21–59.Google Scholar
Hartley, P. H. T., 1939. The Saltash tuck net fishery. A contribution to the ecology of estuarine fishes. (In Press.)CrossRefGoogle Scholar
Hjort, J., 1914. Fluctuations in the great fisheries of northern Europe. Rapp. Proc. verb. Int. Cons. Explor. Mer, Vol. XX, pp. 1–228.Google Scholar
Johnstone, J., 1915. The fat content of Irish Sea herring. Proc. and Trans. Liverpool Biol. Soc., Vol. XXIX, pp. 216–23.Google Scholar
Johnstone, J., 1918. The dietetic value of the herring. Proc. and Trans. Liverpool Biol. Soc., Vol. XXXII, pp. 85–131.Google Scholar
Lovern, J. A., 1938. Fat metabolism in fishes. XIII. Factors influencing the composition of the depot fat of fishes. Biochem. Journ., Vol. XXXII, pp. 1214–24.CrossRefGoogle Scholar
Lovern, J. A. & Wood, H., 1937. Variations in the chemical composition of herring. Journ. Mar. Biol. Assoc., Vol. XXII, pp. 281–93.CrossRefGoogle Scholar
Stirling, W., 1886. On red and pale muscles in fishes. 4th Ann. Rep. Fish. Board Scot. for the Year 1885, pp. 166–71.Google Scholar