Cassis cornuta

Cassidae
Horned Helmet
  • Cassis cornuta, Coral Sea, Australia, Photo: Ian Shaw
    Cassis cornuta, Coral Sea, Australia, Photo: Ian Shaw
  • Cassis cornuta, Coral Sea, Australia, Photo: Ian Shaw
    Cassis cornuta, Coral Sea, Australia, Photo: Ian Shaw
  • Cassis cornuta, Obverse, Coral Sea, Australia, Photo: Ian Shaw
    Cassis cornuta, Obverse, Coral Sea, Australia, Photo: Ian Shaw
Distribution
Tropical Indo-Pacific
Description
A very solid, heavy, rotund shell with large, horn-like knobs and a wide, flat base. Dorsally pale orange, base vivid orange, faintly marked with white and brown. The largest of all helmet shells.
Information
  • Max Size: 35 cm
  • Sea Temperature Range: 23.9-29.6°C
  • Habitat: Coral Reef, Soft sediment
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Infrequent (5% of sites)
    Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed
  • Abundance: Solitary (1 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Ian Shaw
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