Holopneustes inflatus

Temnopleuridae
Inflated Egg Urchin
  • Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
    Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
  • Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
    Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
  • Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
    Holopneustes inflatus, Orford, TAS, Photo: Graham Edgar
Distribution
Temperate Australasia
Description
Ovoid egg-shaped sea urchin, with the height often exceeding the width, and with uniform white to purple primary spines. The tube feet (and associated pores in the test through which the tube feet pass) form much wider bands than for H. porosissimus. The species generally occurs wrapped in fronds of the kelp Ecklonia radiata and feeds on the host plant.
Information
  • Max Size: 7 cm
  • Sea Temperature Range: 10.8-22.3°C
  • Depth: 0-30m
  • Habitat: Rocky Reef
Rarity
  • IUCN Threat Status: Not Evaluated
  • Occurrence: Frequent (17% 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: Few (3 per transect)
    Abundance is calculated as the average number of individuals recorded per RLS transect, where present.
Edit by: GJ Edgar. 2008. Australian Marine Life. New Holland, Sydney
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