Johnius Sasakii
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Johnius Sasakii
''Johnius'' is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. They are commonly known as croakers due to their ability to produce purring, croaking and knocking sounds. The sounds are produced mainly at night and are thought to be either involved in defense or for courtship. Taxonomy The genus name was erected by Marcus Bloch in 1793 based on a specimen obtained from Tranquebar from Reverend Christoph Samuel John which was named as ''Johnius carutta''. There are about 36 species in the genus, all within the Indo-West Pacific waters. This genus has been placed in the subfamily Otolithinae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. Two subgenera are recognised within the genus ''Johnius'', the nominate subgenus has an inferior mouth with the teeth on the lower jaw being uniform in size, although there may be a sma ...
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Johnius Amblycephalus
''Johnius amblycephalus'', the bearded croaker, also known as the green-backed croaker or sharp-nosed jewfish, is a marine ray-finned fish belonging to the Family (biology), family Sciaenidae, the drums and croakers. This fish is found in the Indian and Pacific Oceans. Taxonomy ''Johnius amblycephalus'' was first formally Species description, described as ''Umbrina amblycephala'' in 1855 by the Dutch physician, herpetologist and ichthyologist Pieter Bleeker with its Type locality (biology), type locality given as Ambon Island. Bleeker's name replaced ''Umbrina dussumieri'' which had been coined by Achille Valenciennes in 1833 but which was invalid as it was preoccupied by Georges Cuvier's 1830 ''Johnius dussumieri, Corvina dussumieri''. This species is classified within the Nominate (taxonomy), nominate subgenus of ''Johnius''. This species has been placed in the subfamily Otolithinae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies wi ...
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Type Species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological Type (biology), type wiktionary:en:specimen, specimen (or specimens). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the International Code of Nomenclature for algae, fungi, and plants, code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name with that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have suc ...
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Johann Dietrich Franz Hardenberg
Johann, typically a male given name, is the German form of ''Iohannes'', which is the Latin form of the Greek name ''Iōánnēs'' (), itself derived from Hebrew name '' Yochanan'' () in turn from its extended form (), meaning "Yahweh is Gracious" or "Yahweh is Merciful". Its English language equivalent is John. It is uncommon as a surname. People People with the name Johann include: Mononym * Johann, Count of Cleves (died 1368), nobleman of the Holy Roman Empire * Johann, Count of Leiningen-Dagsburg-Falkenburg (1662–1698), German nobleman *Johann, Prince of Hohenzollern-Sigmaringen (1578–1638), German nobleman A–K * Johann Adam Hiller (1728–1804), German composer * Johann Adam Reincken (1643–1722), Dutch/German organist * Johann Adam Remele (died 1740), German court painter * Johann Adolf I, Duke of Saxe-Weissenfels (1649–1697) * Johann Adolph Hasse (1699-1783), German Composer * Johann Altfuldisch (1911—1947), German Nazi SS concentration camp officer execute ...
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Johnius Pacificus
''Johnius'' is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. They are commonly known as croakers due to their ability to produce purring, croaking and knocking sounds. The sounds are produced mainly at night and are thought to be either involved in defense or for courtship. Taxonomy The genus name was erected by Marcus Bloch in 1793 based on a specimen obtained from Tranquebar from Reverend Christoph Samuel John which was named as ''Johnius carutta''. There are about 36 species in the genus, all within the Indo-West Pacific waters. This genus has been placed in the subfamily Otolithinae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. Two subgenera are recognised within the genus ''Johnius'', the nominate subgenus has an inferior mouth with the teeth on the lower jaw being uniform in size, although there may be a small ...
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Wilhelm Peters
Wilhelm Karl Hartwich (or Hartwig) Peters (22 April 1815 – 20 April 1883) was a German natural history, naturalist and explorer. He was assistant to the anatomist Johannes Peter Müller and later became curator of the Natural History Museum, Berlin, Berlin Zoological Museum. Encouraged by Müller and the explorer Alexander von Humboldt, Peters travelled to Mozambique via Angola in September 1842, exploring the coastal region and the Zambesi River. He returned to Berlin with an enormous collection of natural history specimens, which he then described in ''Naturwissenschaftliche Reise nach Mossambique... in den Jahren 1842 bis 1848 ausgeführt'' (1852–1882). The work was comprehensive in its coverage, dealing with mammals, birds, reptiles, amphibians, river fish, insects and botany. He replaced Martin Lichtenstein as curator of the museum in 1858, and in the same year he was elected a foreign member of the Royal Swedish Academy of Sciences. In a few years, he greatly increased ...
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Johnius Dorsalis
''Johnius'' is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. They are commonly known as croakers due to their ability to produce purring, croaking and knocking sounds. The sounds are produced mainly at night and are thought to be either involved in defense or for courtship. Taxonomy The genus name was erected by Marcus Bloch in 1793 based on a specimen obtained from Tranquebar from Reverend Christoph Samuel John which was named as ''Johnius carutta''. There are about 36 species in the genus, all within the Indo-West Pacific waters. This genus has been placed in the subfamily Otolithinae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. Two subgenera are recognised within the genus ''Johnius'', the nominate subgenus has an inferior mouth with the teeth on the lower jaw being uniform in size, although there may be a small ...
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Shigeho Tanaka
was a Japanese ichthyologist and professor of zoology at the Imperial University of Tokyo. He published numerous works on fishes and sharks and co-authored a book on Japanese fish with famous American scientist David Starr Jordan David Starr Jordan (January 19, 1851 – September 19, 1931) was the founding president of Stanford University, serving from 1891 to 1913. He was an ichthyologist during his research career. Prior to serving as president of Stanford Universi .... Publications Jordan, D. S., S. Tanaka, and J. O. Snyder. 1913. A catalogue of the fishes of Japan. J. Coll. Sci. Imp. Univ. Tokyo, Vol. 33 (article 1): 1–497. Tribute The genus Tanakia D. S. Jordan & W. F. Thompson 1914 was named for Tanaka, as an “accomplished” ichthyologist of the Imperial University of Tokyo, who described '' Tanakia shimazui'' in 1908 and '' Pseudorhodeus tanago'' in 1909. Taxon described by him *See :Taxa named by Shigeho Tanaka References *''Kochi University Biography' ...
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Johnius Distinctus
''Johnius'' is a genus of marine ray-finned fishes belonging to the family Sciaenidae, the drums and croakers. They are commonly known as croakers due to their ability to produce purring, croaking and knocking sounds. The sounds are produced mainly at night and are thought to be either involved in defense or for courtship. Taxonomy The genus name was erected by Marcus Bloch in 1793 based on a specimen obtained from Tranquebar from Reverend Christoph Samuel John which was named as ''Johnius carutta''. There are about 36 species in the genus, all within the Indo-West Pacific waters. This genus has been placed in the subfamily Otolithinae by some workers, but the 5th edition of ''Fishes of the World'' does not recognise subfamilies within the Sciaenidae which it places in the order Acanthuriformes. Two subgenera are recognised within the genus ''Johnius'', the nominate subgenus has an inferior mouth with the teeth on the lower jaw being uniform in size, although there may be a sma ...
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Pennahia Aneus
''Pennahia aneus'', the bigeye croaker, monkey croaker or greyfin croaker, is a species of marine ray-finned fish belonging to the family Sciaenidae, the drums and croakers. This species is found in the Indo-West-Pacific The Indo-Pacific is a vast biogeography, biogeographic region of Earth. In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Oc ... region. References Sciaenidae Fish of Thailand Fish described in 1793 Fish of the Indian Ocean {{Sciaenidae-stub ...
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Type (biology)
In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally associated. In other words, a type is an example that serves to anchor or centralizes the defining features of that particular taxon. In older usage (pre-1900 in botany), a type was a taxon rather than a specimen. A taxon is a scientifically named grouping of organisms with other like organisms, a set that includes some organisms and excludes others, based on a detailed published description (for example a species description) and on the provision of type material, which is usually available to scientists for examination in a major museum research collection, or similar institution. Type specimen According to a precise set of rules laid down in the International Code of Zoological Nomenclature (ICZN) and the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN), the scientific name of every taxon is ...
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Zoological Specimen
A zoological specimen is an animal or part of an animal preserved for scientific use. Various uses are: to verify the identity of a (species), to allow study, increase public knowledge of zoology. Zoological specimens are extremely diverse. Examples are bird and mammal study skins, mounted specimens, skeletal material, casts, pinned insects, dried material, animals preserved in liquid preservatives, and microscope slides. Natural history museums are repositories of zoological specimens Study skins Bird and mammal specimens are conserved as dry study skins, a form of taxidermy. The skin is removed from the animal's carcass, treated with absorbents, and filled with cotton or polyester batting (In the past plant fibres or sawdust were used). Bird specimens have a long, thin, wooden dowel wrapped in batting at their center. The dowel is often intentionally longer than the bird's body and exits at the animal's vent. This exposed dowel provides a place to handle the bird without distu ...
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