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Size fluctuation in the eggs and newly hatched larvae of captive turbot (Scophthalmus maximus )
McEvoy, L-A. (1991). Size fluctuation in the eggs and newly hatched larvae of captive turbot (Scophthalmus maximus ). J. Mar. Biol. Ass. U.K. 71(3): 679-690
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

Keywords
    Correlation; Dimensions; Fish eggs; Fish larvae; Length-weight relationships; Seasonal variations; Temperature effects; Scophthalmus maximus (Linnaeus, 1758) [WoRMS]; Marine

Author  Top 
  • McEvoy, L-A.

Abstract
    The aims of this study were to ascertain if individual turbot (Scophthalmus maximus) females show a seasonal decline in their egg-size when kept in conditions of constant temperature, and to relate turbot egg-size to the length and yolk-sac index of the emergent larva. Each female showed a significant seasonal egg-size decline and there was a positive correlation between egg-size and the length and yolk-sac index of the subsequent larva. However, larval length was not related to yolk-sac index, nor was the ratio of yolk-sac index:larval length related to egg-size. The maximum mean egg-size tended to increase with the female's weight and length. The implications of these findings are discussed in terms of the general ecology of turbot and its culture.

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