Distribution: Common throughout the Solitary Islands Marine Park. Distributed throughout the South-West Pacific region: Australia and Lord Howe Island. Recorded from southern Queensland, northern New South Wales and Lord Howe Island.

Ecological Notes: Found on offshore reefs in clear water. Depth to at least 15 m.

Additional Notes: A solitary ascidian with upright tubular shaped zooids, transparent yellow in colour, each with two siphons pointing upwards but slightly away from each other. Each siphon has a red ring around the opening, and a lower red ring where the siphon tube meets the zooid body. Usually seen in groups, closely packed together. Zooid height around 1 cm.

References: Atlas of Living Australia website at https://bie.ala.org.au/search?q=Ecteinascidia+maxima. Accessed 11/09/2022.

Palomares, M.L.D. and D. Pauly. Editors. 2018. SeaLifeBase. World Wide Web electronic publication. www.sealifebase.org, version (06/2018).https://www.sealifebase.ca/summary/Ecteinascidia-maxima.html. Accessed 11/09/2022.