species: Costasiella usagi in Lizard Island area: all known taxa (Lizard Island Field Guide)
Costasiella usagi

©Tobias Gerlach: Costasiella usagi at Lizard Island
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Sacoglossa
Family Costasiellidae
Genus Costasiella
Species Costasiella usagi



Distinguishing features

Distinguishing features still need to be specified.


  • Size data has not been obtained.



©Atlas of Living Australia: Australian distribution


The alga Avrainvilla is a food source for this species (Sea Slug Forum accessed 3 July 2015)

Web resources


  • 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.