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Les Ulmaridae constituent une famille de méduses de l'ordre des Semaeostomeae. Description et caractéristiques [ modifier | modifier le code ] Au sein de l' ordre des Semaeostomeae , cette famille se distingue par sa cavité gastrique divisée en canaux.
Les Ulmaridae constituent une famille de méduses de l'ordre des Semaeostomeae .
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The species Aurelia aurita is found in the North, Black, Baltic and Caspian Seas, Northeast Atlantic, Greenland, northeastern USA and Canada, Northwest Pacific and South America. In general, Aurelia is an inshore genus that can be found in estuaries and harbors. Aurelia aurita lives in ocean water temperatures ranging from 6–31 °C (43–88 °F); with ...
Aurelia aurita and other Aurelia species feed on plankton that includes organisms such as mollusks, crustaceans, tunicate larvae, rotifers, young polychaetes, protozoans, diatoms, eggs, fish eggs, and other small organisms. Occasionally, they are also seen feeding on gelatinous zooplankton such as hydromedusae and ctenophores. Both the adult medusa...
Aurelia does not have respiratory parts such as gills, lungs, or trachea; it respires by diffusing oxygen from water through the thin membrane covering its body. Within the gastrovascular cavity, low oxygenated water can be expelled and high oxygenated water can come in by ciliated action, thus increasing the diffusion of oxygen through the cell. T...
Aurelia aurita have high proportions of polyunsaturated fatty acids comparative to other prey types which provides vital nutritions to predators. Aurelia aurita are known to be eaten by a wide variety of predators, including the ocean sunfish (Mola mola), the leatherback sea turtle (Dermochelys coriacea), the scyphomedusa Phacellophora camtschatica...
Aurelia aurita in the Pairi Daiza aquarium, Belgium.Aurelia sp. from the Monterey Bay AquariumA damaged Aureliasp. individualAn adult Aurelia auritaSuzuki, Kentaro S.; Kumakura, Emi; Nogata, Yasuyuki (2016). "Incidental consumption of ephyrae of moon jellyfish Aurelia aurita s.l. by three filter-feeding sessile organisms: laboratory experiment...
Moen, F.E.; E. Svensen (2004). Marine fish & invertebrates of Northern Europe. Southend-on-Sea: AquaPress. ISBN 978-0-9544060-2-8.
Media related to Aurelia auritaat Wikimedia CommonsPhotos of Aurelia auritaon Sealife CollectionAurelia aurita (also called the common jellyfish, moon jellyfish, moon jelly or saucer jelly) is a species of the family Ulmaridae. All species in the genus are very similar, and it is difficult to identify Aurelia medusae without genetic sampling; most of what follows applies equally to all species of the genus. Show More.
Tiburonia is a genus of jellyfish in the family Ulmaridae. It was reported in 2003, following the discovery of its only species yet identified, Tiburonia granrojo. It was discovered by a crew from MBARI led by George Matsumoto.
Ulmaridae. Characteristics of the Family (from Kramp 1961) Semaeostomeae with simple or branched radial canals and a ring-canal; with or without subgenital pits.
