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Bluespotted Ribbontail Ray
The bluespotted ribbontail ray (''Taeniura lymma'') is a species of stingray in the family Dasyatidae. Found from the intertidal zone to a depth of , this species is common throughout the tropical Indian Ocean, Indian and western Pacific Oceans in Littoral zone, nearshore, coral reef–associated habitats. It is a fairly small ray, not exceeding in width, with a mostly smooth, oval pectoral fin disc, large protruding eyes, and a relatively short and thick tail with a deep fin fold underneath. It can be easily identified by its striking color pattern of many electric blue spots on a yellowish background, with a pair of blue stripes on the tail. At night, small groups of bluespotted ribbontail rays follow the rising tide onto sandy flats to root for small benthic invertebrates and bony fishes in the sediment. When the tide recedes, the rays separate and withdraw to shelters on the reef. Reproduction is aplacental viviparous, with females giving birth to litters of up to seven you ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peter Forsskål
Peter Forsskål, sometimes spelled Pehr Forsskål, Peter Forskaol, Petrus Forskål or Pehr Forsskåhl (11 January 1732 – 11 July 1763) was a Sweden, Swedish exploration, explorer, oriental studies, orientalist, natural history, naturalist, and an Apostles of Linnaeus, apostle of Carl Linnaeus. Early life Forsskål was born in Helsinki, now in Finland but then a part of Sweden, where his father, the priest , was serving as a Lutheran clergyman, but the family moved to Sweden in 1741 when the father was appointed to the parish of :sv:Tegelsmora församling, Tegelsmora in Uppland and the Archbishop of Uppsala, archdiocese of Uppsala. As was common at the time, he enrolled at Uppsala University at a young age in 1742, but returned home for some time and, after studies on his own, rematriculated in Uppsala in 1751, where he completed a Theology, theological degree the same year. Linnaeus's disciple In Uppsala Forsskål was one of the students of Carl Linnaeus, Linnaeus, but appare ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swedish People
Swedes (), or Swedish people, are an ethnic group native to Sweden, who share a common ancestry, Culture of Sweden, culture, History of Sweden, history, and Swedish language, language. They mostly inhabit Sweden and the other Nordic countries, Swedish-speaking population of Finland, in particular, neighboring Finland, where they are an officially recognized minority, with Swedish being one of the official languages of the country, and with a substantial Swedish diaspora, diaspora in other countries, especially the Swedish Americans, United States. Etymology The English term "Swede" has been attested in English since the late 16th century and is of Middle Dutch or Middle Low German origin. In Swedish language, Swedish, the term is ''svensk'', which is from the name of ''svear'' (or Swedes), the people who inhabited Svealand in eastern central Sweden, and were listed as ''Suiones'' in Tacitus' history ''Germania (book), Germania'' from the first century AD. The term is believed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blotched Fantail Ray
The round ribbontail ray or blotched fantail ray, (''Taeniurops meyeni'') is a species of Myliobatiformes, stingray in the family (biology), family Dasyatidae, found throughout the Littoral zone, nearshore waters of the tropical Indo-Pacific, as well as off islands in the eastern Pacific. It is a benthic, bottom-dwelling inhabitant of lagoons, estuaries, and reefs, generally at a depth of . Reaching across, this large ray is characterized by a thick, rounded pectoral fin disc covered by small tubercles on top, and a relatively short tail bearing a deep ventral fin fold. In addition, it has a variable but distinctive light and dark mottled pattern on its upper surface, and a black tail. Generally nocturnal, the round ribbontail ray can be solitary or gregarious, and is an active predator of small, benthic molluscs, crustaceans, and bony fishes. It is aplacental viviparous, with the embryos sustained by yolk, and later histotroph ("uterine milk") secreted by the mother; up to seve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Stingray
River stingrays or freshwater stingrays are Neotropical freshwater fishes of the family Potamotrygonidae in the order Myliobatiformes, one of the four orders of batoids, cartilaginous fishes related to sharks. They are found in rivers in tropical and subtropical South America (freshwater stingrays in Africa, Asia and Australia are in another family, Dasyatidae). A single marine genus, ''Styracura'', of the tropical West Atlantic and East Pacific are also part of Potamotrygonidae. They are generally brownish, greyish or black, often with a mottled, speckled or spotted pattern, have disc widths ranging from and venomous tail stingers. River stingrays feed on a wide range of smaller animals and the females give birth to live young. There are more than 35 species in five genera. Distribution and habitat They are native to tropical and subtropical northern, central and eastern South America, living in rivers that drain into the Caribbean, and into the Atlantic as far south as the R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Himantura Schmardae
''Himantura'' is a genus of stingray in the family Dasyatidae that is native to the Indo-Pacific. In a 2016 taxonomic revision, many of the species formerly assigned to ''Himantura'' were reassigned to other genera ('' Brevitrygon'', '' Fluvitrygon'', ''Maculabatis'', '' Pateobatis'', ''Styracura'' and '' Urogymnus''). Species Twelve extant species are currently recognized as valid, formerly four or five species. * '' Himantura alcockii'' ( Annandale, 1909) (Pale-spot whip ray) * '' Himantura australis'' (Last, White & Naylor, 2016) (Australian whipray) * '' Himantura fava'' (Annandale, 1909) (Honeycomb whipray) * '' Himantura fluviatilis'' (Hamilton, 1822) (Ganges whipray) * '' Himantura krempfi'' ( Chabanaud, 1923) (Marbled freshwater whip ray) * '' Himantura leoparda'' ( Manjaji-Matsumoto & Last, 2008) (Leopard whipray) * '' Himantura marginata'' ( Blyth, 1860) (Blackedge whipray) * '' Himantura menoni'' (Sahni & Mehrotra, 1981) * '' Himantura microphthalma'' ( J. T. F. Ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Himantura Pacifica
The Pacific chupare or Pacific whiptail stingray (''Styracura pacifica'') is a species of stingray in the family Potamotrygonidae. It has been reported off the Pacific coast of Central America from Oaxaca, Mexico to Costa Rica, and also around the Galapagos Islands. It is usually found in shallow water on soft silty or muddy flats; it is unknown whether this species is tolerant of low salinity like the related chupare stingray (''S. schmardae''). Leonard Compagno doubted the taxonomic validity of this species in his 1999 ''Checklist of Living Elasmobranchs''. Appearance This stingray attains a maximum known length of and a disk width of . It has a rounded pectoral fin disk and a broadly angled snout with a small protuberance at the tip. The tail lacks fin folds but has a low ventral keel. The dorsal surface of the body and tail are covered with rough dermal denticles. There are large tubercles with four radial ridges on the shoulder region. A venomous spine is present on the ta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Himantura
''Himantura'' is a genus of stingray in the family (biology), family Dasyatidae that is native to the Indo-Pacific. In a 2016 Taxonomy (biology), taxonomic revision, many of the species formerly assigned to ''Himantura'' were reassigned to other genera (''Brevitrygon'', ''Fluvitrygon'', ''Maculabatis'', ''Pateobatis'', ''Styracura'' and ''Urogymnus''). Species Twelve extant species are currently recognized as valid, formerly four or five species. * ''Himantura alcockii'' (Nelson Annandale, Annandale, 1909) (Pale-spot whip ray) * ''Himantura australis'' (Peter R. Last, Last, William Toby White, White & Gavin Naylor, Naylor, 2016) (Australian whipray) * ''Himantura fava'' (Annandale, 1909) (Honeycomb whipray) * ''Himantura fluviatilis'' (Francis Buchanan-Hamilton, Hamilton, 1822) (Ganges whipray) * ''Himantura krempfi'' (Paul Chabanaud, Chabanaud, 1923) (Marbled freshwater whip ray) * ''Himantura leoparda'' (Bernadette Mabel Manjaji-Matsumoto, Manjaji-Matsumoto & Last, 2008) (Leo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morphology (biology)
Morphology (from Ancient Greek μορφή (morphḗ) "form", and λόγος (lógos) "word, study, research") is the study of the form and structure of organisms and their specific structural features. This includes aspects of the outward appearance (shape, structure, color, pattern, size), as well as the form and structure of internal parts like bones and organs, i.e., anatomy. This is in contrast to physiology, which deals primarily with function. Morphology is a branch of life science dealing with the study of the overall structure of an organism or taxon and its component parts. History The etymology of the word "morphology" is from the Ancient Greek (), meaning "form", and (), meaning "word, study, research". While the concept of form in biology, opposed to function, dates back to Aristotle (see Aristotle's biology), the field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist and physiologist Karl Fried ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Common Name
In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrasted with the scientific name for the same organism, which is often based in Latin. A common name is sometimes frequently used, but that is not always the case. In chemistry, IUPAC defines a common name as one that, although it unambiguously defines a chemical, does not follow the current systematic naming convention, such as acetone, systematically 2-propanone, while a vernacular name describes one used in a lab, trade or industry that does not unambiguously describe a single chemical, such as copper sulfate, which may refer to either copper(I) sulfate or copper(II) sulfate. Sometimes common names are created by authorities on one particular subject, in an attempt to make it possible for members of the general public (including s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Synonym (taxonomy)
In taxonomy, the scientific classification of living organisms, a synonym is an alternative scientific name for the accepted scientific name of a taxon. The Botanical nomenclature, botanical and Zoological nomenclature, zoological codes of nomenclature treat the concept of synonymy differently. * In nomenclature, botanical nomenclature, a synonym is a Binomial nomenclature, scientific name that applies to a taxon that now goes by a different scientific name. For example, Carl Linnaeus, Linnaeus was the first to give a scientific name (under the currently used system of scientific nomenclature) to the Norway spruce, which he called ''Pinus abies''. This name is no longer in use, so it is now a synonym of the current scientific name, ''Picea abies''. * In zoology, moving a species from one genus to another results in a different Binomial nomenclature, binomen, but the name is considered an alternative combination rather than a synonym. The concept of synonymy in zoology is reserved f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich Gustav Jakob Henle
Friedrich Gustav Jakob Henle (; 9 July 1809 – 13 May 1885) was a German physician, pathologist, and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay, "On Miasma and Contagia," was an early argument for the germ theory of disease. He was an important figure in the development of modern medicine. Biography Henle was born in Fürth, Bavaria, to Simon and Rachel Diesbach Henle (Hähnlein). He was Jewish. After studying medicine at Heidelberg and at Bonn, where he took his doctor's degree in 1832, he became prosector in anatomy to Johannes Müller at Berlin. During the six years he spent in that position he published a large amount of work, including three anatomical monographs on new species of animals and papers on the structure of the lymphatic system, the distribution of epithelium in the human body, the structure and development of the hair, and the formation of mucus and pus. He also developed a friendship with another ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johannes Peter Müller
Johannes Peter Müller (14 July 1801 – 28 April 1858) was a German physiologist, comparative anatomist, ichthyologist, and herpetologist, known not only for his discoveries but also for his ability to synthesize knowledge. The paramesonephric duct (Müllerian duct) was named in his honor. Life Early years and education Müller was born in Coblenz. He was the son of a poor shoemaker, and was about to be apprenticed to a saddler when his talents attracted the attention of his teacher, and he prepared himself to become a Roman Catholic Priest. During his college course in Koblenz, he devoted himself to the classics and made his own translations of Aristotle. At first, his intention was to become a priest. When he was eighteen, his love for natural science became dominant, and he turned to medicine, entering the University of Bonn in 1819. There he received his M.D. in 1822. He then studied at the University of Berlin. There, under the influence of G. W. F. Hegel and Kar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
