species: Ophiomastix annulosa in taxonomy (Lizard Island Field Guide)
Ophiomastix annulosa

©Anne Hoggett: Arms of Ophiomastix annulosa protruding from a crevice on the reef flat at North Direction Island.
Kingdom Animalia
Phylum Echinodermata
Class Ophiuroidea
Order Ophiurida
Family Ophiocomidae
Genus Ophiomastix
Species Ophiomastix annulosa



Distinguishing features

A moderately-sized brittlestar with a distinctive colour pattern: pink/red with dorsal arm plates outlined in white; arms spines banded pink and white. Some arm spines are expanded at the tip in large specimens. Disc is usually hidden within the reef with just two or three arms protruding. The disc has long spinelets.


  • Size data has not been obtained.

Depth range

  • Depth range data is not yet available.



©Atlas of Living Australia: Australian distribution

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.