A Contribution to the Biology of Tripneustes Esculentus
The biology of Tripneustes has been studied for several years in Miami and Bermuda. It spawns in the spring and summer but with a very different spawning pattern in different years. First spawning seems to be triggered by temperature, and successive spawnings by attainment of a gonad size which increases during the season. Winter growth of the gonad and its rate of build up between spawnings is negatively correlated with temperature, as is test growth. Hermaphroditism was common in a year group which was in the immature stage during an unusually cold winter. A tentative estimate has been made of food intake and of the efficiency of its conversion into urchin tissue.
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Document Type: Research Article
Publication date: January 1, 1963
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