Goniocidaris tubaria, Port Stephens , NSW, Photo: Tom Davis
Large, serrated primary spines, which are often eroded and covered by sessile invertebrates, and platelike secondary spines, which form a corona-like structure around the base of the primary spines. The similar Goniocidaris impressa has scrobicular spines which are club shaped, not pointed or flattened as in G. tubaria.
Max Size: 6 cm
Sea Temperature Range: 9.1-23.9°C
Habitat: Rocky Reef, Soft sediment
IUCN Threat Status: Not Evaluated
Occurrence: Frequent (20% 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 (4 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