How to Distinguish from Similar Species: Cyanea capillata is similar but P. camtschatica can be identified by a transparent margin consisting of 16 large lobes that alternate with smaller lobes (photo). Also, Cyanea capillata coloration often includes reddish hues but this species does not.
Geographical Range: Worldwide; on the western United States coast from Alaska to southern California.
Depth Range: Pelagic
Habitat: In temperate oceans.
Biology/Natural History: Spends much the
time motionless or slowly pulsing the bell
while drifting with tentacles
extended 10-20 feet or more. Feeds on gelatinous zooplankton, especially
Usually with symbiotic amphipods
on the subumbrella
and juvenile crabs on the exumbrella,
gracilis. Also hosts the barnacle Alepas pacifica
and juvenile fishes. Has only a mild sting. In the life cycle,
fertilized eggs develop into ciliated planula
larvae which swim, then settle and metamorphose into scyphistomae
have 30-44 tentacles and reproduce asexually by side budding as well as
to produce ephyrae which grew up into mature medusae.
In the laboratory it took about 9 months for an ephyra to grow into a mature
Reum, Jonathan P., Mary E. Hunsicker, and Caroline E. Paulsen, 2010. Species composition and relative abundance of large medusae in Puget Sound, Washington. Northwest Science 84:1 pp. 131-140
Widmer, Chad L., 2006. Life cycle of Phacellophora camtschatica
(Cnidaria: Scyphozoa). Invertebrate Biology 125:5 83-90
General Notes and Observations: Locations, abundances, unusual behaviors, etc.:
These become more common in the Rosario area in late summer.
Authors and Editors of Page: Christina R. Smith 7/2002
Christina R. Smith(2002): Created original page
Edited by Hans Helmstetler 12-2002, Dave Cowles 2005-