species: Marionia sp. in Lizard Island area: all known taxa (Lizard Island Field Guide)
Marionia sp.


©Anne Hoggett: Marionia sp. from under rubble, NE coast of Lizard Island, about 6 cm long.

©Anne Hoggett: Marionia sp. from under rubble, NE coast of Lizard Island, about 6 cm long.

©Anne Hoggett: Marionia sp. from under rubble, NE coast of Lizard Island, about 6 cm long.
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Nudibranchia
Family Tritoniidae
Genus Marionia
Species Marionia sp.

Colours

                   

Distinguishing features

Pale brown/green with low, polygonal warts on dorsum and tall, highly branched gill appendages. Oral tentacles end in a crown of small branches. Rhinophore sheaths are long and have frilly margins.

Identification is based on similarity to Marionia species shown in Humann and Deloach (2010) and Sea Slug Forum (accessed 15 Aug 2020). There are few Australian records of the genus and apparently none from the Great Barrier Reef (Atlas of Living Australia accessed 15 Aug 2020).

Size

  • Up to 6 cm (Lizard Island specimen)

Synonyms

Distribution

Web resources

References

References that assist with identification

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