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Phacellophora camtschatica

(Eggyolk Jelly)


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Common Names

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Common Names in English:

Eggyolk Jelly, Fried Egg Jellyfish Or Egg Yolk Jelly, Fried-Egg Jellyfish


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Physical Description

Species Phacellophora camtschatica

Bell to 60 cm in diameter, with 16 clusters of tentacles, slightly inside the bell margin, each containing a single row of tentacles. With 16 lappets and 16 rhopalia. Oral arms relatively short and massively folded. Central gonadal mass yellow, with surrounding clear to whitish or pale yellow bell, oral arms and tentacles, resembling a raw egg ; small individuals often colorless or milky white[1]


In temperate oceans. Pelagic.[1]

Biome: Marine .

Ecology: Usually with symbiotic amphipods on the subumbrella and juvenile crabs on the exumbrella , including Cancer gracilis. Also hosts the barnacle Alepas pacifica and juvenile fishes.[1]


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Feeds on gelatinous zooplankton , especially other medusae. (Ref. 109953)


Spends much the time motionless or slowly pulsing the bell while drifting with tentacles extended 10-20 feet or more. Usually with symbiotic amphipods on the subumbrella and juvenile crabs on the exumbrella . Has only a mild sting .[1]


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Name Status: Accepted Name .

Last scrutiny: 2000-2007

Similar Species

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Cyanea capillata is similar but P. camtschatica can be identified by a transparent margin consisting of 16 large lobes that alternate with smaller lobes. (Ref. 109953)

Members of the genus Phacellophora

ZipcodeZoo has pages for 1 species and subspecies in this genus:

P. camtschatica (Eggyolk Jelly)

More Info

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Further Reading

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Data Sources

Accessed through GBIF Data Portal March 02, 2008:



  1. Cowles, Dave. Key to Invertebrates Found At or Near The Rosario Beach Marine Laboratory (a campus of Walla Walla University) Fidalgo Island, Anacortes, WA May 2009. [back]
Last Revised: 2014-10-16