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A tube sponge of the family Niphatidae.
This tube sponge produces cyclic peptides called kapakahines.These compounds are being analyzed for pharmaceutical applications. For example, Kapakahine E has shown cytotoxicity against P388 murine leukemia cells.

Similar species: Haplosclerida
Species identified by Patomarazul
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By Patomarazul

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Uploaded Jan 13, 2019. Captured May 28, 2018 06:18 in Unnamed Road, Kareko, Lembeh Utara, Kota Bitung, Sulawesi Utara, Indonesia.
  • TG-5
  • f/2.8
  • 1/200s
  • ISO100
  • 4.5mm