Morula marginalba, NSW, Australia, Photo: Ian Shaw
Morula marginalba, Obverse, NSW, Australia, Photo: Ian Shaw
Offwhite shell with raised black bumps. It is one of the most abundant gastropods on New South Wales rock platforms and is an important predator of barnacles and other invertebrates.
Max Size: 3 cm
Sea Temperature Range: 15.8-28.1°C
Habitat: Rocky Reef
IUCN Threat Status: Not Evaluated
Occurrence: Infrequent (2% 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: Many (11 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