Echinothrix calamaris

Diadematidae
Black Banded Sea Urchin
  • Echinothrix calamaris, Photo: Rick Stuart-Smith
    Echinothrix calamaris, Photo: Rick Stuart-Smith
  • Echinothrix calamaris, Raja Ampat, Indonesia, Photo: Andrew Green
    Echinothrix calamaris, Raja Ampat, Indonesia, Photo: Andrew Green
  • Echinothrix calamaris, Gulf of Carpentaria, NT, Photo: Andrew Green
    Echinothrix calamaris, Gulf of Carpentaria, NT, Photo: Andrew Green
  • Echinothrix calamaris, Milne Bay, Papua New Guinea, Photo: Andrew Green
    Echinothrix calamaris, Milne Bay, Papua New Guinea, Photo: Andrew Green
  • Echinothrix calamaris, Hawaii, Photo: Rick Stuart-Smith
    Echinothrix calamaris, Hawaii, Photo: Rick Stuart-Smith
Distribution
Temperate Australasia, Tropical Indo-Pacific
Description
Information
  • Max Size: 7 cm
  • Sea Temperature Range: 19.9-33.0°C
  • Depth: 0-90m
  • Habitat: Coral Reef, Rocky Reef
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Infrequent (7% 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: Several (6 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: Joe Shields
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