Tissue sloughing in the sponge Halichondria panicea: a fouling organism prevents being fouled

@article{Barthel1989TissueSI,
  title={Tissue sloughing in the sponge Halichondria panicea: a fouling organism prevents being fouled},
  author={Dagmar Barthel and B. Wolfrath},
  journal={Oecologia},
  year={1989},
  volume={78},
  pages={357-360}
}
Specimens of the sponge Halichondria panicea Pallas kept in running sea-water aquaria at 15° C slough off their complete outer tissue layer in regular intervals of three weeks. Sloughing starts at the rim of the oscula and extends over the whole surface within two weeks. Microscopic inspection of the tissue flakes shows them to harbour large numbers of different live organisms, as well as biogenic debris such as pieces of copepod carapaces and diatom frustules. No such community is found on… CONTINUE READING

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