Aurelia labiata Chamisso & Eysenhardt, 1821
Pacific moon jelly
Moon jelly,  Pacific moon jelly
Aurelia labiata
photo by Cowles, David

Family:  Ulmaridae (), subfamily: Aureliinae
Max. size:  40 cm WD (male/unsexed)
Environment:  benthopelagic; marine
Distribution:  Pacific Ocean: Alaska, Canada, Hawaii, Philippines and USA.
Diagnosis:  Up to 30 cm wide, with 16 marginal lobes divided by more or less deep median clefts; canal system has may anastomoses; mouth-arms fairly short, thick, pyramidal, somewhat folded; subgenital ostia small. Color yellowish or light violet.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from Sooke Inlet (Ref. 3017). Also found in Roscoe Bay (Ref. 7680): medusae remained in the bay throughout the year; there was no major visible mortality in the adult population during the two year observation period; medusae appear to be lost from the bay as a result of tidal flushing; it is argued that in Roscoe Bay Aurelia labiata medusae live for more than one year and that up to 40% of the adult medusae may be two years of age or older (Ref. 1663). C: Refs. 1663, 3017, 93817, 93875; R: Ref. 94194.

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