Cropping of sea anemone tentacles by a symbiotic barnacle

As sessile animals, barnacles (Cirripedia: Thoracica) are generally suspension feeders, extending their cirri into the surrounding water to collect food particles (1). Although it has been suggested that some symbiotic barnacles obtain nutrients directly from their hosts, either by absorbing body fluids (2-4) or by rasping the host's tissue (4-6), most of these cases are inferred from their morphology. Direct evidence, such as gut content analysis, has been limited (for an exception, see ref. 5), and no actual feeding on their hosts has been observed. Koleolepas avis (Hiro, 1931) is a pedunculate barnacle symbiotic with the sea anemone Calliactis japonica, which lives on gastropod shells occupied by large hermit crabs (7), mainly Dardanus arrosor. Symbiotic relationships between various hermit crabs and sea anemones have been well documented (8), but the relationship between the barnacle and its host sea anemone has been virtually unknown. From February to April 1996, we collected living individuals of K....

• Publication year

  1999

• Venue

  The Biological Bulletin

• Publication date

  1999-12-01

• Fields of study

  Biology, Medicine, Environmental Science

• Identifiers
  DOI 10.2307/1542785PMID 10630332
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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