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Furthermore, bell contract rate, which indicates moon jellyfish feeding activity, remains constant although DO concentrations are lower than normal. [8] During July and August, it is observed that moon jellyfish aggregations of 250 individuals consumed an estimated 100% of the mesozooplankton biomass in the Seto Inland Sea . [ 9 ]
Translucent tentacles used for grasping and feeding. Drymonema species eat an abundant amount of moon jellyfish ( Aurelia sp.) [ 1 ] Food ingested and waste excreted must come out of the same opening, (no digestive tract).
Aurelia coerulea or Asian moon jelly is a species of moon jelly in the genus Aurelia. [1] This species is native to the seas off Japan, China, Korea, and California, as well as the Mediterranean and other temperate seas. and they can also be found in coastal areas of China, Korea, California, the Mediterranean and other temperate seas.
The similar appearances of moon jellyfish is what has made them so hard to identify. They tend to have a variety of different sizes, however, they typically range 5–38 cm (2.0–15.0 in) in diameter with an average of 18 cm (7.1 in) wide and 8 cm (3.1 in) in height. [12]
Aurelia limbata is in the genus Aurelia, which is commonly called moon jellies. Aurelia is the most common and widely distributed species of jellyfish. [1] A. aurita is the closest relative to A. limbata, because they have a similar gene orientation [2] and the same life cycle.
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Scyphozoa include the moon jelly Aurelia aurita, [9] in the order Semaeostomeae, and the enormous Nemopilema nomurai, in the order Rhizostomeae, found between Japan and China and which in some years causes major fisheries disruptions. The jellyfish fished commercially for food are Scyphomedusae in the order Rhizostomeae. [10]
Aurelia labiata is a species of moon jellyfish. It is a cnidarian in the family Ulmaridae. [1] It is typically larger than Aurelia aurita, [2] with individuals document up to 45 cm (18 in). [3] However, much of its size range overlaps with A. aurita (up to 40 cm (16 in)), making size an imperfect diagnostic tool.