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It is approximately 32 kD (two 17 kD dimeric molecules). The protein was isolated from the blood plasma of winter flounder. It is considerably better at depressing freezing temperature than most fish AFPs. [10] The ability is partially derived from its many repeats of the Type I ice-binding site.
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.
Atlantic wolffish
Blennius gronovii (Valenciennes, 1836) Ocean pout, Newfoundland, Canada. The ocean pout ( Zoarces americanus) is an eelpout in the family Zoarcidae. It is found in the Northwest Atlantic Ocean, off the coast of New England and eastern Canada. The fish has antifreeze proteins in its blood, giving it the ability to survive in near-freezing waters.
Channichthyidae - Wikipedia ... Channichthyidae
The spleen may be used to remove ice crystals from circulating blood. [9] [10] As the chilly Antarctic and sub-Antarctic waters of the Southern Ocean average −1 to 4 °C (30–39 °F), [11] most species of these regions produce antifreeze glycoproteins to prevent the formation of ice crystals in blood and other body fluids. [12]
Antifreeze proteins in its blood prevent it freezing in the subzero water temperatures of Antarctica. The bald notothen is adapted to life in the water column as the shape and flatness of the trunk may streamline the fish and reduce drag. the pelvic and anal fins do not have the adaptations for substrate contact borne by related benthic species.
Chaenocephalus bouvetensis Nybelin, 1947. 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 ...