Rhopilema rhopalophora Haeckel, 1880
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Family:  Rhizostomatidae ()
Max. size:  10 cm WD (male/unsexed)
Environment:  pelagic; marine
Distribution:  Indo-West Pacific: Madagascar and China.
Diagnosis:  4.2 cm wide (Haeckel 10 cm wide; 5 cm high); exumbrella smooth, very thin; in each octant 14 to 16 (Haeckel 18) roundish, flat velar lappets; without sub genital papillae; scapulets small; manubrium extraordinarily short, mouth arms about 2.5 m long, proximal portion 0.3 m, distal portion 1.2 m and terminal club 1 to 1.2 m long; on mouth arms a very few small clubs; filaments only on scapulets, faintly developed; ring canal poorly developed, intracircular canal system noticeably broad, its inner margin parallel to the outline of the stomach, with many anastomoses with the rhopalar.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:  Known from Amoy.

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