species: Archaster typicus in ALA: LIRS and surrounds using records to Oct. 2021 (Lizard Island Field Guide)
Archaster typicus

©Anne Hoggett: Archaster typicus at low tide on mudflat at Mangrove Beach, Lizard Island (July 2007).

©Anne Hoggett: The outline is often all that is visible. At low tide on mudflat at Mangrove Beach in July 2007

©Anne Hoggett: At low tide on mudflat at Mangrove Beach in July 2007
Kingdom Animalia
Phylum Echinodermata
Class Asteroidea
Order Valvatida
Family Archasteridae
Genus Archaster
Species Archaster typicus



Distinguishing features

Tube feet cylindrical, with a terminal disc.


  • Size data has not been obtained.

Depth range

  • Depth range data is not yet available.


Similar taxa


©Atlas of Living Australia: Australian distribution


This species engages in pseudocopulation behaviour. A male climbs on top of a female and is induced to spawn when the female sheds eggs. Pseudocopulating pairs are occasionally seen in shallow water at Lizard Island.

Web resources


References that assist with identification

  • Clark, A.M. and F.W.E. Rowe (1971). Monograph of shallow-water Indo-west Pacific echinoderms British Museum (Natural History), London.
  • Coleman, N. (2007). Sea Stars: Echinoderms of the Asia/Indo-Pacific Neville Coleman's Underwater Geographic, Springwood, Qld. Australia.

Other references

  • Rowe, F.W.E. and J. Gates (1995). Echinodermata in: Zoological Catalogue of Australia. Vol. 33, xiii, 510 pp. Wells, A. (Ed.). CSIRO, Melbourne, Australia.