species: Phyllidiella nigra in ALA: Lizard Island (Lizard Island Field Guide)
Phyllidiella nigra

©Cassy Thompson: Phyllidiella nigra at Lizard Island

©Brogan Mancell: One of four Phyllidiella nigra (3 to 5 cm long) seen in close proximity at Coconut Beach reef flat

©Barbara Banks: Phyllidiella nigra at Eagle Island near Lizard Island, showing uniform colour of foot sole.
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Nudibranchia
Family Phyllidiidae
Genus Phyllidiella
Species Phyllidiella nigra



Distinguishing features

A solid black slug with tall, rounded pink/purple/blue tubercles that are spread evenly, not clustered, over the upper surface. Rhinophores black. Sole of foot is uniformly grey (no midline).


  • Up to 5 cm (Length of specimen)



©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island: Usually uncommon but a small aggregation has been observed.

Web resources


  • Coleman, N. (2008). Nudibranchs Encyclopedia: Catalogue of Asia/ Indo-Pacific Sea Slugs Neville Coleman's Underwater Geographic, Springwood, Qld.