Heliacus ponderi (Garrard, 1978)


Common in the Solitary Islands Marine Park. Endemic to Australia, recorded from New South Wales, Byron Bay to Twofold Bay and south western Western Australia.

Ecological Notes: 

Frequents subtidal areas among zoanthids. Depth from subtidal to 110 m.

Additional Notes: 

Note conical operculum and newly deposited egg mass on food source zoanthid, Zoanthus robustus. Grows to around 14 mm shell width.


The Seashells of New South Wales, Des Beechey, Senior Fellow, Australian Museum, Release 25. Website at https://seashellsofnsw.org.au/Architectonicidae/Pages/Heliacus_ponderi.htm. Accessed 07/11/2018.