Gonionemus vertens Agassiz, 1862
Clinging jellyfish
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Family:  Olindiidae ()
Max. size:  2.5 cm WD (male/unsexed)
Environment:  pelagic; marine
Distribution:  North Atlantic and North Pacific: Asia outside western Palearctic.
Diagnosis:   
Biology:  Form circalittoral rocks and other hard substrata (Ref. 1314). Medusae in the Russian Far-east are extremely venomous compared to those from the northwest Pacific; in the west coast, they are found in summer attached to eel grass Ulva sp. or laminarian algae; feed on copepods (Ref. 2376).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  venomous
Country info:   
 

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