''Diplulmaris antarctica'' is a species of Antarctic

jellyfish Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella- ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Ulmaridae The Ulmaridae are a family of jellyfish. Genera Formerly, the genus '' Phacellophora'' was also included in this family, but is now placed in the family Phacellophoridae.Straehler-Pohl, I., C. L. Widmer, and A. C. Morandini (2011). ''Characteri ...

Description

This species grows up to in diameter. ''Diplulmaris antarctica'' has 16 - 48 laterally compressed, white tentacles and a white frontal lobe. It has reddish-orange stomach gastrodermis and frilled oral arms of the same colour. This jellyfish is normally infested with '' Hyperiella dilatata''. These hyperiid amphipods appear as white dots on the surface of the bell, and do not appear to eat the medusa.

Diet

''Diplulmaris antarctica'' feeds on

copepods Copepods (; meaning "oar-feet") are a group of small crustaceans found in nearly every freshwater and saltwater habitat. Some species are planktonic (inhabiting sea waters), some are benthic (living on the ocean floor), a number of species have p ...

euphausiid Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans. The name "krill" comes from the Norwegian word ', meaning "small fry of fish", which is also often attributed to species of fish. Krill are consi ...

larvate,

medusae Jellyfish and sea jellies are the informal common names given to the medusa-phase of certain gelatinous members of the subphylum Medusozoa, a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella- ...

ctenophore Ctenophora (; ctenophore ; ) comprise a phylum of marine invertebrates, commonly known as comb jellies, that inhabit sea waters worldwide. They are notable for the groups of cilia they use for swimming (commonly referred to as "combs"), and ...

, fish larvae, and

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

an pteropods such as ''

Clione antarctica ''Clione antarctica'' is a species of "sea angel", a sea slug, a pelagic marine gastropod mollusk in the family Clionidae, the "sea angels". Distribution The distribution of ''Clione antarctica'' is within the Southern Hemisphere, in the p ...

'' and ''

Limacina antarctica ''Limacina rangii'' is a species of swimming sea snail in the family Limacinidae,Bouchet, P. (2014). Limacina rangii (d'Orbigny, 1834). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id ...

''.Larson R. J. & Harbison G. R. (1990). "Medusae from Mcmurdo Sound, Ross Sea including the descriptions of two new species, ''Leuckartiara brownei'' and ''Benthocodon hyalinus''". ''Polar Biology'' 11(1): 19-25. .

Distribution

This species is found in

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest contine ...

including the

Antarctic Peninsula The Antarctic Peninsula, known as O'Higgins Land in Chile and Tierra de San Martín in Argentina, and originally as Graham Land in the United Kingdom and the Palmer Peninsula in the United States, is the northernmost part of mainland Antarctic ...

in continental shelf waters near the surface.

Description

Diet

Distribution

References

Further reading