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Crocodile Icefish
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. Icefish populations are known to reside in the Atlantic and Indian sectors of the Southern Ocean, as well as the continental shelf waters surrounding Antarctica. Water temperatures in these regions remain relatively stable, generally ranging from . One icefish, ''Champsocephalus esox,'' is distributed north of the Antarctic Polar Frontal Zone. At least 16 species of crocodile icefish are currently recognized, although eight additional species have been proposed for the icefish genus ''Channichthys.'' In February 2021, scientists discovered and documented a breeding colony of ''Neopagetopsis ionah'' icefish estimated to have 60 million active nests across an area of approximately 92 square miles at the bottom of the Weddell Sea in Antarctica. The majority ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chionodraco Hamatus
''Chionodraco hamatus'' is a species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is found in the Southern Ocean. Taxonomy ''Chionodraco hamatus'' was first formally described in 1905 as ''Chaenichthys rhinoceratus hamatus'' by the Swedish zoologist Einar Lönnberg with the type locality given as Snow Hill Island in Graham Land on the Antarctic Peninsula. Lönnberg subsequent classified it in a new genus ''Chionodraco'' as its only species so ''C. hamatus'' is the type species of that genus by monotypy. Some authorities regard ''C. kathleenae'' as a valid species. The specific name ''hamatus'' means “hooked”, a reference to the hooked operculum spines. Description ''Chionodraco hamatus'' has a robust, backwards pointing spine on its snout. In larger individuals the ridges above the eyes are roughly textured. The dorsal fin has 5 to 7 spines and 38 to 42 soft rays while the anal fin has 33 to 38 soft rays. The overall colour ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaenodraco
''Chaenodraco wilsoni'', the spiny icefish, is a species of marine ray-finned fish belonging to the Family (biology), family Channichthyidae, the crocodile icefishes. It is native to the Southern Ocean. This species is the only known member of its genus. It is of minor interest to commercial fisheries. Taxonomy The spiny icefish was first formally Species description, described in 1914 by the English people, English ichthyologist Charles Tate Regan with the Type locality (biology), type locality given as McMurdo Sound in Antarctica. Regan placed it in the Monotypy, monotypic genus ''Chaenodraco''. The genus name is a compound of ''chaeno'' meaning "gape" and ''draco'' meaning "dragon", ''draco'' is a common suffix in the Binomial nomenclature, binomials of notothenioid fishes. The Specific name (zoology), specific name honours Edward Wilson (explorer), Edward A. Wilson who was the second in command of the Terra Nova Expedition, ''Terra Nova'' Expedition, during which type was colle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pagetopsis
''Pagetopsis'' is a genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. The species in this genus are found in the Southern Ocean. Taxonomy ''Pagetopsis'' was described as a genus in 1913 by the English ichthyologist Charles Tate Regan as a monotypic genus which had ''Champsocephalus macropterus'', which had been described by the Belgian-born British ichthyologist George Albert Boulenger in 1907, as its only species. The genus name is a combination of ''opsis'' with '' Pagetodes'', the name given by John Richardson in 1843 to an icefish frozen on the bow of HMS Terror which had been eaten by a cat before it could be preserved, Regan said that ''Pagetodes'' could not be used until that fish was rediscovered. Species There are currently two recognized species in this genus: * '' Pagetopsis macropterus'' (Boulenger, 1907) * '' Pagetopsis maculata'' Barsukov & Permitin, 1958 Characteristics ''Pagetopsis'' has a forward curving spi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neopagetopsis
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 . It has a circum-Antarctic distribution on the continental slope and continental shelf, with the northernmost records from the South Shetland and the South Orkney Islands. Taxonomy Jonah's icefish was first formally described in 1947 by the Swedish ichthyologist with the type locality given as near the Balleny Islands, Ross Dependency in Antarctica. It is the only species in the genus ''Neopagetopsis''. The genus name is a compound of ''neo'' which means "new"; and ''Pagetopsis'', the name of a related genus to which this taxon bears a resemblance, but differs by having long pelvic fins and three lateral lines. The specific name refers to the Biblical prophet Jonah and is an allusion to the type being col ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edgar Ravenswood Waite
Edgar Ravenswood Waite (5 May 1866 – 19 January 1928) was a British/Australian zoologist, ichthyologist, herpetologist, and ornithologist. Waite was born in Leeds, Yorkshire, England, the second son of John Waite, a bank clerk, and his wife Jane, ''née'' Vause. Waite was educated at Leeds Parish Church Middle Class School and at the Victoria University of Manchester. In 1888 he was appointed sub-curator of the Leeds Museum and three years later was made curator. On 7 April 1892 Waite married Rose Edith Green at St. Matthew's parish church, Leeds. In 1893 Waite became zoologist at the Australian Museum, Sydney, he was the Fish Curator there from 1893 to 1906. Waite accompanied Charles Hedley of the Australian Museum on the 1896 ''Funafuti Coral Reef Boring Expedition of the Royal Society'' under Professor William Sollas and Professor Edgeworth David. Following the expedition to Funafuti in the Ellice Islands (now known as Tuvalu) Waite published an account of ''The mammals, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dacodraco
''Dacodraco'' is a monotypic genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes, its only member is ''Dacodraco hunteri''. This species is found in the Southern Ocean. Taxonomy ''Dacodraco'' was first described as a genus in 1916 by the English-born Australian ichthyologist Edgar Ravenswood Waite when he was describing its only species ''Dacodraco hunteri''. The type locality of ''D. hunteri'' is Queen Mary Land, off the Shackleton Ice Shelf at 65°06'S, 96°13'E. The genus name is a compound of ''dakos'' which means a "beast that bites" and ''draco'' meaning "dragon", a common suffix in generic names of Notothenioids. Waite did not explain the reason for using ''dakos'' but it may refer to the single row of teeth in each jaw with an spaced line of large canines to the inside of them. The specific name honours the Australian biologist John G. Hunter of Sydney University who was chief biologist at the main base of the Australi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Louis Dollo
Louis Antoine Marie Joseph Dollo (Lille, 7 December 1857 – Brussels, 19 April 1931) was a Belgian palaeontologist, known for his work on dinosaurs. He also posited that evolution is not reversible, known as Dollo's law. Together with the Austrian Othenio Abel, Dollo established the principles of paleobiology. Early life Louis Dollo was born in Lille, Nord-Pas-de-Calais, a scion of an old Breton family. He studied at the École centrale de Lille, with geologist Jules Gosselet and zoologist Alfred Giard, both of whom influenced the young Dollo. In 1877, he graduated with a degree in engineering. After his graduation, he worked in the mining industry for five years, but simultaneously developed a passion for paleontology. In 1879, he moved to Brussels. ''Iguanodon'' spp. For three years, starting in 1878, he supervised the excavation of the famous, multiple ''Iguanodon'' find at Bernissart, Belgium. He devoted himself to their study as a scientific passion, initially concurrently ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryodraco
''Cryodraco'' is a genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. They are found in the Southern Ocean. While ''C. antarcticus'' has minor commercial importance, ''C. atkinsoni'' and ''C. pappenheimi'' are of no interest to commercial fisheries. Taxonomy ''Cryodraco'' was first formally described as a monotypic genus in 1900 by the Belgian palaeontologist Louis Dollo when he was describing ''Cryodraco antarctica''. Although FishBase uses the genus name ''Cryodraco'', Catalog of Fishes uses ''Pagetodes'' as the genus name and treats ''Cryodraco'' as a synonym, following Sheiko. The name ''Pagetodes'' was applied to a fish which was washed onto the bow of HMS ''Terror'' and frozen in place. The fish was carefully removed from the ice, allowing the ship's surgeon John Robertson to create a rough sketch, but a cat took the fish and ate it before it could be preserved in alcohol. In 1844 John Richardson described the genus ''Pag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Einar Lönnberg
Axel Johann Einar Lönnberg (24 December 1865 – 21 November 1942) was a Swedish zoologist and conservationist. Lönnberg was born in Stockholm. He was head of the Vertebrate Department of the ''Naturhistoriska Riksmuseet'' (Swedish Natural History Museum) from 1904 to 1933. In 1891 he obtained his PhD from the University of Uppsala, spending the next twelve years as an inspector in the fisheries service. During this time-frame he made scientific trips to Florida (1892 – 1893) and the Caspian Sea (1899). In 1904 he was appointed head of the department of vertebrates at the ''Naturhistoriska Riksmuseet'' in Stockholm. In 1910 – 1911 he participated in an expedition to East Africa. From 1925 to 1942 he served as prefect of the ''Kristineberg Marina Forskningsstation'' (Kristineberg Marine Zoological Station). In regard to his zoological research, his primary focus dealt with mammals, birds and fish, but he also made significant contributions in his studies of reptiles and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chionodraco
''Chionodraco'' is a genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. They are found in the Southern Ocean. Taxonomy ''Chionodraco'' was first described as a genus in 1905 by the Swedish zoologist Einar Lönnberg when he described the ''Chaenichthys hamatus'' which he subsequently placed in a new monotypic genus. The genus name is a compound of ''chionos'' meaning "snow" and ''draco'' which means "dragon", Lönnberg did not explain this but it may allude to a relationship with the genus ''Cryodraco''. Species There are currently three recognized species in this genus: * ''Chionodraco hamatus'' (Lönnberg, 1905) * ''Chionodraco myersi'' H. H. DeWitt & J. C. Tyler, 1960 (Myers' icefish) * ''Chionodraco rastrospinosus'' H. H. DeWitt & Hureau, 1979 (Ocellated icefish) Characteristics ''Chionodraco'' icefishes may have the spine on the snout present or it is reduced to a small centrally placed knob. The gill rakers may bear teeth o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexei Vladimovich Neyelov
Alexey, Alexei, Alexie, Aleksei, or Aleksey (russian: Алексе́й ; bg, Алексей ) is a Russian and Bulgarian male first name deriving from the Greek ''Aléxios'' (), meaning "Defender", and thus of the same origin as the Latin Alexius. Alexey may also be romanized as ''Aleksei'', ''Aleksey'', ''Alexej'', ''Aleksej'', etc. It has been commonly westernized as Alexis. Similar Ukrainian and Belarusian names are romanized as Oleksii (Олексій) and Aliaksiej (Аляксей), respectively. The Russian Orthodox Church uses the Old Church Slavonic version, Alexiy (Алексiй, or Алексий in modern spelling), for its Saints and hierarchs (most notably, this is the form used for Patriarchs Alexius I and Alexius II). The common hypocoristic is Alyosha () or simply Lyosha (). These may be further transformed into Alyoshka, Alyoshenka, Lyoshka, Lyoha, Lyoshenka (, respectively), sometimes rendered as Alesha/Aleshenka in English. The form Alyosha may be u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anatoly Andriyashev
Anatoly Petrovich Andriyashev (; 19 August 1910 – 4 January 2009) was a Soviet and Russian Ichthyology, ichthyologist, Marine biology, marine biologist, and zoogeography, zoogeographist, notable for his studies of marine fauna of the Arctic and the Northern Pacific. Notable dates * 1933 - graduated from the Biology Department of Saint Petersburg State University, Leningrad State University (specialty - ichthyology) * 1934 - took part in the Hydrobiological Expedition to the Sea of Japan of the Zoological Institute of the Russian Academy of Sciences * 1937 - defended his thesis on "Zoogeography and origin of the fish fauna of the Bering Sea and adjacent waters," which was published in 1939 as a book. * 1938 - 1939 - assistant, associate professor at Leningrad State University * 1939 - 1943 - Senior Researcher at the Sevastopol Biological Station, then - an employee of the Zoological Institute of the Russian Academy of Sciences * 1943-1946 - Scientific Secretary of the Zoologica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
