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The fecundity of witches in the Firth of Clyde

Published online by Cambridge University Press:  11 May 2009

T. B. Bagenal
T. B. Bagenal
Affiliation:
The Marine Station, Millport
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Extract

The fecundity of Clyde witches was estimated from 1958 to 1962, and has been found to vary from over 49,000 eggs for a 26·8 cm fish to more than 599,000 in a 42 cm witch. Annual variations in the fecundity were found but there are not sufficient data to relate the changes to the population density as can be done with plaice. It appears that Clyde witches may grow faster, and they certainly attain a larger size than those in the Irish sea.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 43 , Issue 2 , July 1963 , pp. 401 - 407
Copyright
Copyright © Marine Biological Association of the United Kingdom 1963

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References

Bagenal, T. B., 1957. The breeding and fecundity of the Long Rough Dab Hippoglossoides platessoides (Fabr.) and the associated cycle in condition. J. mar. biol. Ass. U.K., Vol. 36, pp. 339–73.CrossRefGoogle Scholar
Bagenal, T. B., 1963. Variations in plaice fecundity in the Clyde area. J. mar. biol. Ass. U.K. vol. 43, pp 391–99.CrossRefGoogle Scholar
Bowers, A. B., 1960. Growth of the Witch (Glyptocephalus cynoglossus (L.)) in the Irish Sea. J. Cons. int. Explor. Mer, Vol. 25, 2, pp. 168–76.CrossRefGoogle Scholar
Fulton, T. W., 1891. The comparative fecundity of sea-fishes. Rep. Fish. Bd. Scot., 9 (1890), Part 3, pp. 243–68.Google Scholar