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

©Anne Hoggett: Macrodactyla doreensis about 18 cm diamter with small anemonefish at Lizard Island

©Lyle Vail: Macrodactyla doreensis at Lizard Island, diameter of oral disc about 12 cm

©Lyle Vail: Macrodactyla doreensis at Lizard Island
Kingdom Animalia
Phylum Cnidaria
Class Anthozoa
Order Actiniaria
Family Actiniidae
Genus Macrodactyla
Species Macrodactyla doreensis



Distinguishing features

A conspicuous anemone with very long tentacles. Oral disc lies flat on substrate, much of it bare of tentacles, with dull colour pattern of radiating darker/paler lines.


  • Up to 20 cm (Diameter of oral disc) - applies to Lizard Island specimens



©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island: Uncommon. This species has only been found between the lagoon entrance and the main lagoon bommie in water deeper than 10 metres.

Web resources


References that assist with identification

  • Fautin, D.G. and G.R. Allen (1992). Field guide to anemonefishes and their host sea anemones Western Australian Museum, Perth, WA.

Other references

  • Fautin, D.G. (1985). Competition by anemone fishes for host actinians. "Proceedings of the Fifth International Coral Reef Congress, Tahiti".5, : 373-377. LIRS catalog number 190.
  • Nedosyko, A.M., J.E. Young, J.W. Edwards and K. Burke da Silva (2014). Searching for a toxic key to unlock the mystery of anemonefish and anemone symbiosis. PLOS One, 9 (5): e98449. LIRS catalog number 1763.