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Japanese sea nettle

Chrysaora pacifica/melanaster


This jelly can reach 60 centimeters in length with tentacles growing up to three meters. The number of tentacles is up to 24 (8 per octant). It dwells at depths of up to 100 meters, where it feeds on copepods, larvaceans, small fish, large zooplankton, and other jellies. The sting is mild, although can cause serious skin irritation and burning.


Native to the Northern Pacific Ocean. These are in San Francisco Aquarium of the bay.

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The MnMs
Spotted by
The MnMs

San Francisco, California, USA

Spotted on Sep 15, 2014
Submitted on Nov 16, 2014

Spotted for Mission

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