species: Hypselodoris tryoni in taxonomy (Lizard Island Field Guide)
Hypselodoris tryoni

©Barbara Banks: Two individuals of Hypselodoris tryoni at Lizard Island

©Lyle Vail: Two individuals of Hypselodoris tryoni at Lizard Island

©Ingo Burghardt: Hypselodoris tryoni at Lizard Island
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Nudibranchia
Family Chromodorididae
Genus Hypselodoris
Species Hypselodoris tryoni



Distinguishing features

Small, dark, irregularly-shaped spots surrounded by cream, surrounded by brown to purplish. Edges of mantle and foot blue or purple.


  • Size data has not been obtained.



©Atlas of Living Australia: Australian distribution


Often exhibit tailing behaviour (Humann and Deloach, 2010)

Web resources


References that assist with identification

  • Humann, P. and N. Deloach (2010). Reef Creature Identification: Tropical Pacific New World Publications Inc., Jacksonville, Florida, USA.

Other references

  • Cortesi, F. and K.L. Cheney (2010). Conspicuousness is correlated with toxicity in marine opisthobranchs, Journal of Evolutionary Biology, 23: 1509-1518. LIRS catalog number 1360.
  • Waegele, H., I. Burghardt, N. Anthes, J. Evertsen, A. Klussman-Kolb and G. Brodie (2006). Species diversity of opisthobranch molluscs on Lizard Island, Great Barrier Reef, Australia, In: Contemporary studies into the systematics and evolution of opisthobranch molluscs, (Eds. G. Brodie, S. Fahey and F.E. Wells), Records of the Western Australian Museum, Supplement 69: 33-59. LIRS catalog number 1036.
  • View all references