| Reference no. | Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko, 2003 |
| Ecosystem | Pacific Ocean |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | Listed under both their hydroid and medusae stages (Ref. 1663, p. 19, 27). Occurs outside the continental shelf but within 200 miles of US and Canadian land (Ref. 1663, p. 60). |