Mastigias siderea Chun, 1896
No Picture Available

Family:  Mastigiidae ()
Max. size:  7 cm WD (male/unsexed)
Environment:  pelagic; marine
Distribution:  Western Indian Ocean: Tanzania and Madagascar.
Diagnosis:  7 cm wide, flatly rounded; valer lappets semisircular, six in each octant, the two median lappets split; subumbrella and mouth-arms with white spots; mouth-arms twice as long as disk raius, the simple upper part somewhat longer than the lower three-winged part; terminal appendage long and club-shaped; intracircular mesh-work of canals with large, open meshes; about seven canal-roots in each octant, all rhopalar canals with anastomoses.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

Source and more info: www.sealifebase.org. For personal, classroom, and other internal use only. Not for publication.