Scyphozoa | Rhizostomeae
Environment: milieu / climate zone / depth range / distribution range
Pelagic; depth range 0 - 85 m (Ref. 116114). Subtropical
Western Atlantic: USA and Canada.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 35.0 cm WD male/unsexed; (Ref. 2992)
35 m wide, thick and rigid; centre of exumbrella smooth, lappets with many shallow furrows, and near margin numerous minute elevations; in each octant 6 large oval velar lappets mouth arms with 26 to 60 blunt, spindle-shaped appendages besprinkled with nematocyst warts, each arm with a large, tapering terminal appendage.
Estuarine, neritic, potentially pathogenic (Ref. 116114). Members of the class Scyphozoa are gonochoric. Life cycle: Egg is laid by the adult medusa which later develops into a free-living planula, then to a scyphistoma to a strobila, and lastly to a free-living young medusa (Ref. 833).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the class Scyphozoa are gonochoric. Life cycle: Egg is laid by the adult medusa which later develops into a free-living planula, then to a scyphistoma to a strobila, and lastly to a free-living young medusa.
Cairns, S.D., D.R. Calder, A. Brinckmann-Voss, C.B. Castro, D.G. Fautin, P.R. Pugh, C.E. Mills, W.C. Jaap, M.N. Arai, S.H.D. Haddock and D.M. Opresko. 2003. (Ref. 1663)
IUCN Red List Status (Ref. 115185)
CITES status (Ref. 108899)
Threat to humans
| FishSource |
Estimates of some properties based on models
Low vulnerability (25 of 100)