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An isolated population of the boring sulfur sponge,Cliona celata, was found to include many large specimens. The distribution of these sponges was associated with the occurrence of bottom sediments favorable for settling and growth. It was concluded that the large size and successful colonization of the sponges was the result of their vigor and rapid growth, as well as certain physical features of the study area. These physical features promoted growth by maintaining optimal salinities, excluding competitors, retaining larvae and protecting the sponges from natural and man-made destructive forces. Estimated growth rates, age determination, and a symbiotic relationship were also discussed. |
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