Cannonball jellyfish this resource in the region. However, further studies need to be done in order to increase the predictability and improve the management strategies. "This article incorporates public domain text from the Voice of America", at http://www.voanews.com/english/news/usa/US-Jellyfish-Land-on-Asian-Dinner-Tables-143681576.html Cannonball jellyfish The cannonball jellyfish ("Stomolophus meleagris"), also known as the cabbagehead jellyfish, is a species of jellyfish in the family Stomolophidae. Its common name derives from its similarity to a cannonball in shape and size. Its dome-shaped bell can reach in diameter and the rim is sometimes colored with brown pigment. Underneath the body is a cluster of oral arms that extend out
Helmet jellyfish Helmet jellyfish The helmet jellyfish ("Periphylla periphylla") is a luminescent, red-colored jellyfish of the deep sea, belonging to the order Coronatae of the phylum Cnidaria. It is the only species in the monotypic genus "Periphylla." "P. periphylla" represents an exception, very rarely found in the phylum "Cnidaria": the medusae do not go through a polyp stage, thus presenting a "holopelagic" life cycle. The medusae strew fertilized eggs in open water and these develop directly into medusae, whose development rests entirely upon the egg's high yolk supply. The ephyra stage common among other jellyfish is not observed in "P. periphylla". The