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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: Plymouth. ISSN 0025-3154, meer |
| Trefwoorden |
Correlatie; Dimensies; Afmetingen; Fish eggs; Length-weight relationships; Seizoenale variaties; Temperatuurinvloeden; Vislarven; Scophthalmus maximus (Linneaus, 1758) [Tarbot] [WoRMS]; Marien |
| 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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