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Antarctic silverfish : ウィキペディア英語版 | Antarctic silverfish
''Pleuragramma antarcticum'', the Antarctic silverfish, is a species of cod icefish native to the Southern Ocean.〔 ''Pleuragramma antarcticum'' is a keystone species in the ecosystem of the Southern Ocean.〔Bottaro M., Oliveri D., Ghigliotti L., Pisano E., Ferrando S. & Vacchi M. (2009). "Born among the ice: first morphological observations on two developmental stages of the Antarctic silverfish ''Pleuragramma antarcticum'', a key species of the Southern Ocean". ''Reviews in Fish Biology and Fisheries'' 19(2); 249-259. .〕 While widely distributed around the Antarctic, the species appears to have largely disappeared from the western side of the northern Antarctic Peninsula, based on a 2010 research cruise funded by the National Science Foundation under the US Antarctic Program. == Description == It usually grows to about 15 cm in length, with a maximum of 25 cm. When alive it is pink with a silver tint, but turns silver only after death. This Antarctic marine fish is one of several in the region which produce antifreeze glycopeptides as an adaptation against the extreme cold of Antarctic waters.
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