species: Millepora dichotoma in Lizard Island Field Guide (Lizard Island Field Guide)
Millepora dichotoma

©Anne Hoggett: Millepora dichotoma at the lagoon bommie, Lizard Island. Note plate form at base and further out, flattened branches join together to form an erect, reticulate plate.

©Anne Hoggett: Millepora dichotoma at the lagoon bommie, Lizard Island. Branches join in a single plane, forming a reticulate plate.
Kingdom Animalia
Phylum Cnidaria
Class Hydrozoa
Order Anthoathecata
Family Milleporidae
Genus Millepora
Species Millepora dichotoma



Distinguishing features

Branching colonies. "The lower parts unite into a plate; branches flattened; lateral branches radiating from the central point (ogive structure); the upper edges with blunt or rounded tips. Anastomose branches forming a tall and erect reticulate plate, no coalescence between plates" (Razek and Hoeksema, 2003).


  • Size data has not been obtained.



©Atlas of Living Australia: Australian distribution

Web resources


References that assist with identification

  • Razak, T.B. and B.W. Hoeksema (2003). The hydrocoral genus Millepora (Hydrozoa: Capitata: Milleporidae) in Indonesia. Zool. Verh. Leiden, 345: 313-336. LIRS catalog number 90297.

Other references

  • Schweinsberg, M. R. Tollrian and K.P. Lampert (2016). Inter- and intra-colonial genotypic diversity in hermatypic hydrozoans of the family Milleporidae, Marine Ecology, doi: 10.1111/maec.12388. LIRS catalog number 2060.