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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] Icefish populations are known to reside in the Atlantic and Indian sectors of the Southern Ocean, as well as the ...
Antarctic fishes. 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 ...
The ocellated icefish (Chionodraco rastrospinosus) is a fish of the family Channichthyidae. [3][4] It lives in the cold waters off Antarctica and is known for having transparent haemoglobin -free blood. [5][6] C. rastrospinosus live in the Southern Ocean up to a depth of 1 km. They are most commonly found on the seabed at 200–400 m.
Neopagetopsis ionah. Nybelin, 1947. Jonah's icefish ( Neopagetopsis ionah) is a benthopelagic species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is the only member of the monotypic genus Neopagetopsis. It is found in the Southern Ocean at depths of from 20 to 900 metres (66 to 2,953 ft).
Cryodraco antarcticus feeds on fishes and krill (studies from 1982 to 1984 revealed mostly fishes and Antarctic krill).The larvae have a long late winter pelagic phase. [1] It is closely related to the blackfin icefish (Chaenocephalus aceratus) but differs in a number of meristic characteristics.
Blackfin icefish. The blackfin icefish ( Chaenocephalus aceratus ), also known as the Scotia Sea icefish, is a species of crocodile icefish belonging to the family Channichthyidae. [2] The blackfin icefish belongs to Notothenioidei, a suborder of fishes that accounts for 90% of the fish fauna on the Antarctic continental shelf. [3]
Dissostichus mawsoni. Norman, 1937. The Antarctic toothfish (Dissostichus mawsoni), also known as the Antarctic cod, is a large, black or brown fish found in very cold (subzero) waters of the Southern Ocean near Antarctica. It is the largest fish in the Southern Ocean, feeding on shrimp and smaller fish, and preyed on by whales, orcas, and seals.
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 ...