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Calyx arcuarius (Topsent, 1913)

provided by British Antarctic Survey

Description

Pale with distinctive flattened fronds and a hard stalk. Slow-growing, reaching a height of up to 50cm

4278 times added

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Species details

Chemical defenses against diatom fouling in Antarctic marine sponges 2000, Benthic Community at McMurdo Sound 1974, Sponges of the Antarctic. I. Tetraxonida and Cornacuspongida.

Photos

  • Calyx arcuarius - Calyx arcuarius - Antonio Sara
  • Calyx arcuarius - Calyx arcuarius - Antonio Sara
  • Calyx arcuarius - Calyx arcuarius - Antonio Sara
  • Calyx arcuarius - Calyx arcuarius - Antonio Sara
  • Calyx arcuarius - Calyx arcuarius - Stefano Schiaparelli
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Species distribution

16 to 900m, from Sub-Antarctica to the Antarctic Peninsula and Continent

Calyx arcuarius is a suspension feeder. Its predators include the seastars Odontaster meridionalis and Acodontaster hodgsoni, and the dorid nudibranch Austrodoris kerguelenensis, although extracts from it have been shown to have antipredator and antibacterial effects.

Occurrences map

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