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Some aspects of the development of eggs and larvae of Sabellaria alveolata (L.)

Published online by Cambridge University Press:  11 May 2009

Douglas P. Wilson
Douglas P. Wilson
Affiliation:
The Plymouth Laboratory
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Extract

The rate of growth of larvae of Sabellaria alveolata (L.) reared in the laboratory varied greatly between different rearings and between individuals of the same age in the same rearing vessel, the temperature throughout being maintained close to 15 °C. The shortest recorded time from fertilization to metamorphosis was 6 weeks, the longest nearly 8 months. Within any one rearing some larvae metamorphosed weeks or months earlier than the last to do so. The larvae were fed on phytoflagellates, especially Isochrysis galbana, and the variations in growth were partially due to differing quantities of food available and to the differing character of the food. The largest larvae obtained, up to 700 μ long, fed in their later stages on an Olisthodiscus sp., alone or with another flagellate. The smallest larvae, only about 400 μ long, ate voraciously large quantities of the coccolith Coccolithus huxleyi. The normal length of larvae fed on Isochrysis alone was about 500 μ.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 48 , Issue 2 , June 1968 , pp. 367 - 386
Copyright
Copyright © Marine Biological Association of the United Kingdom 1968

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References

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