| Reference no. | Peña Cantero, A.L., A. Svoboda and W. Vervoort, 2004 |
| Ecosystem | Continental High Antarctic |
| Status | native |
| Abundance | occasional (usually not seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | Known off Oates land and Glacier Amery. Fertile colony collected in February. Shelf Species, found at depths 40 to 460 m on animal debris. Epibiothic on other hydroids (Acrptolaria sp), tubes of benthic organism and stem of stalked sponges. |