Size Fluctuation in The Eggs and Newly Hatched Larvae of Captive Turbot (Scophthalmus Maximus)
The aims of this study were to ascertain if individual turbot 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 de...
| Published in: | Journal of the Marine Biological Association of the United Kingdom |
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| Main Authors: | , |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Cambridge University Press (CUP)
1991
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1017/s0025315400053236 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315400053236 |
| Summary: | The aims of this study were to ascertain if individual turbot 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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