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Notothenioidei is one of 19 suborders of the order Perciformes. The group is found mainly in Antarctic and Subantarctic waters, with some species ranging north to southern Australia and southern South America. [2] [3] Notothenioids constitute approximately 90% of the fish biomass in the continental shelf waters surrounding Antarctica. [4]
The Nototheniidae family includes some of the most ecologically and evolutionarily important fish in the Antarctic ecosystem, making them a crucial subject for scientific study. [ citation needed ] Nototheniidae is a family of perciform fish that are primarily found in the Southern Ocean surrounding Antarctica, with some species also occurring ...
Antarctic fish is a common name for a variety of fish that inhabit the Southern Ocean. There are relatively few families in this region, the most species-rich being the Liparidae (snailfishes), followed by Nototheniidae (cod icefishes). [1] The latter is one of eight different families that belong to the suborder Notothenioidei of the order ...
The Bathydraconidae, or the Antarctic dragonfishes, are a family of marine ray-finned fishes, notothenioids belonging to the Perciform suborder Notothenioidei. The family comprises four genera. These fishes are endemic to deep waters off Antarctica. [2] [3]
Patagonotothen ramsayi, the longtail southern cod, rock cod, marujo (in spanish) or Notothenia, is a benthopelagic species of marine ray-finned fish of the family Nototheniidae, the notothens or the cod icefishes, native to the Patagonian Shelf in the southwest Atlantic, [3] where it is the most abundant notothen species found, dominating among medium-sized demersal fishes in the area, [4] and ...
The Antarctic silverfish (Pleuragramma antarctica), or Antarctic herring, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean and the only truly pelagic fish in the waters near Antarctica. [2] It is a keystone species in the ecosystem of the Southern ...
The crocodile icefish or white-blooded fish comprise a family (Channichthyidae) of notothenioid fish found in the Southern Ocean around Antarctica. They are the only known vertebrates to lack hemoglobin in their blood as adults. [ 2 ]
Most other notothenioid fish and the majority of all Antarctic fishes, including smaller toothfish, are confined to the bottom. [7] Coloring is black to olive brown, sometimes lighter on the undersides, with a mottled pattern on body and fins. Small fish blend in very well among the benthic sponges and corals. [13]