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Diceratias
''Diceratias'' is a genus of deep sea marine Actinopterygii, ray-finned fish belonging to the Family (biology), family Double angler, Diceratiidae, the double anglers. These fishes are found in the Eastern Atlantic and Indo-Pacific regions. Taxonomy ''Diceratias '' was first proposed as a monospecific genus in 1887 by the German-born British herpetologist and ichthyologist Albert Günther when he Species description, described ''Diceratias bispinosus''. When he described ''D. bispinosus'' Günther gave the Type locality (biology), type locality as off Banda Islands, Banda Island at a depth of on the Challenger expedition of 1872-1876. This genus is one of two genera in the family Diceratiidae which the 5th edition of ''Fishes of the World'' classifies within the suborder Ceratioidei within the Order (biology), order Lophiiformes, the anglerfishes. Etymology ''Diceratias'' prefixes ''di'', meaning "two" onto the genus name ''Ceratias''. This genus was thought to be a subgenus of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diceratias Bispinosus
''Diceratias bispinosus'', the two-rod angler, is a species of deep sea marine Actinopterygii, ray-finned fish belonging to the Family (biology), family Double angler, Diceratiidae, the double anglers. This species is found in the Indo-Pacific region. Taxonomy ''Diceratias bispinosus'' was first formally Species description, described in 1887 by the German-born British herpetologist and ichthyologist Albert Günther with its Type locality (biology), type locality off Banda Islands, Banda Island at a depth of on the Challenger expedition of 1872-1876. When Günther described this species he proposed the new monospecific genus, ''Diceratias'', so this species is the type species of that genus. The genus ''Diceratias'' is one of two genera in the family Diceratiidae which the 5th edition of ''Fishes of the World'' classifies within the suborder Ceratioidei within the Order (biology), order Lophiiformes, the anglerfishes. Etymology ''Diceratias bispinosus'' is the type species of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Double Angler
Double anglers or doublespine seadevils comprise the family Diceratiidae, being a small and little known family of rarely encountered marine ray-finned fishes belonging to the order Lophiiformes, the anglerfishes. The two genera and seven species of this family are found in the deeper waters of the tropical and subtropical Atlantic, Indian and Pacific Oceans. They are distinguished from other deep sea anglerfishes by the possession of a second bioluminescent cephalic spine. The fishes in this family were known only from metamorphosed females and the males were not described until 1983. Taxonomy The double angler family, Diceratiidae, was first proposed as a family in 1932 by the British ichthyologists Charles Tate Regan and Ethelwynn Trewavas. The type genus of the family, ''Diceratias'', had been proposed as a subgenus of ''Ceratias'' in 1887 by the German-born British ichthyologist Albert Günther with its type species being ''Caratias bispinosus'' which Günther had described ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diceratias Trilobus
''Diceratias trilobus'' is a species of deep sea marine ray-finned fish belonging to the family Diceratiidae, the double anglers. The fish is bathypelagic and has been found as deep as . It is endemic to the northwest Pacific Ocean. A distinct characteristic of this species of anglerfish is its short illicium and abnormally large esca (the commonly recognized lure of light).Rajeeshkumar, M. P., Jacob, V., Sumod, K. S., Sanjeevan, V. N., Hashim, M., & Sudhakar, M. (2016). "Three new records of rare deep-sea Anglerfishes (Lophiiformes: Ceratioidei) from the Northern Indian Ocean." *Marine Biodiversity*, 46, 923-928. doi:10.1007/s12526-015-0437-2 References trilobus ''Trilobus'' Bruennich, 1781 is a disused genus of trilobites, the species of which are now all assigned to other genera. * ''T. caudatus'' = '' Dalmanites caudatus'' * ''T. punctatus'' Bruennich, 1781 = '' Encrinurus punctatus'' ''Trilobus'' B ... Deep sea fish Taxa named by Arkady Vladimirovich Balushkin T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diceratias Pileatus
''Diceratias pileatus'' is a species of deep sea marine ray-finned fish belonging to the family Diceratiidae, the double anglers. The fish is bathypelagic and has been found at depths ranging from . This species was thought to be endemic to the Atlantic Ocean but has now been recorded Indo-Pacific The Indo-Pacific is a vast 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 Ocean, and the ... region. References pileatus Deep sea fish Taxa named by Ken Roger Uwate Fish described in 1979 {{Lophiiformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bufoceratias
''Bufoceratias'' is a genus of marine ray-finned fishes belonging to the family Diceratiidae, the double anglers. Fishes in this genus are found in the Indian, Pacific and Western Atlantic Oceans. Taxonomy ''Bufoceratias'' was first proposed as a genus in 1931 by the British-born Australian ichthyologist Gilbert Percy Whitley with ''Phrynichthys wedli'' as its type species. Whitley was replacing ''Phrynichthys'' as the genus name because Whitley thought that this name was preoccupied by ''Phrynichthys'' Agassiz, 1864, which was a replacement name for '' Bufichthys'' Swainson, 1839, and Whitley's name is now accepted. ''Phrynichthys wedli'' had been first formally described in 1926 by the Austrian ichthyologist Viktor Pietschmann with its type locality given as Madeira. This genus is one of two genera in the family Diceratiidae which the 5th edition of ''Fishes of the World'' classifies within the suborder Ceratioidei within the order Lophiiformes, the anglerfishes. Etymology ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ceratioidei
Ceratioidei, the deep-sea anglerfishes or pelagic anglerfishes, is a suborder of marine ray-finned fishes, one of five suborders in the order Lophiiformes, the anglerfishes. These fishes are found in tropical and temperate seas throughout the world, living above the bottom of the deep sea, in the pelagic zone. The deep-sea anglerfishes exhibit extreme sexual dimorphism; the males are many times smaller than the females. To reproduce, a male seeks out a female, using his sharp teeth-like denticles to clamp onto the female. The details of this sexual parasitism varies between the species; in a number of species the male permanently becomes part of the female, their tissues fusing with each other. This is the only known natural example of a process called parabiosis. The esca, the defining feature of all anglerfish groups, are bioluminescent in the deep-sea anglerfishes, attracting prey in the vast darkness of the bathypelagic zone which they inhabit. Etymology Ceratioidei takes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Albert Günther
Albert Karl Ludwig Gotthilf Günther , also Albert Charles Lewis Gotthilf Günther (3October 18301February 1914), was a German-born British zoologist, ichthyologist, and herpetologist. Günther is ranked the second-most productive reptile taxonomist (after George Albert Boulenger) with more than 340 reptile species described. Early life and career Günther was born in Esslingen in Swabia ( Württemberg). His father was a ''Stiftungs-Commissar'' in Esslingen and his mother was Eleonora Nagel. He initially schooled at the Stuttgart Gymnasium. His family wished him to train for the ministry of the Lutheran Church for which he moved to the University of Tübingen. A brother shifted from theology to medicine, and he, too, turned to science and medicine at Tübingen in 1852. His first work was "''Ueber den Puppenzustand eines Distoma''" (On the pupal state of ''Distoma''). He graduated in medicine with an M.D. from Tübingen in 1858, the same year in which he published a handbook ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Wiley & Sons
John Wiley & Sons, Inc., commonly known as Wiley (), is an American Multinational corporation, multinational Publishing, publishing company that focuses on academic publishing and instructional materials. The company was founded in 1807 and produces books, Academic journal, journals, and encyclopedias, in print and electronically, as well as online products and services, training materials, and educational materials for undergraduate, graduate, and continuing education students. History The company was established in 1807 when Charles Wiley opened a print shop in Manhattan. The company was the publisher of 19th century American literary figures like James Fenimore Cooper, Washington Irving, Herman Melville, and Edgar Allan Poe, as well as of legal, religious, and other non-fiction titles. The firm took its current name in 1865. Wiley later shifted its focus to scientific, Technology, technical, and engineering subject areas, abandoning its literary interests. Wiley's son Joh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Symphysis
A symphysis (, : symphyses) is a fibrocartilaginous fusion between two bones. It is a type of cartilaginous joint, specifically a secondary cartilaginous joint. # A symphysis is an amphiarthrosis, a slightly movable joint. # A growing together of parts or structures. Unlike synchondroses, symphyses are permanent. Examples The more prominent symphyses are: * the pubic symphysis * sacrococcygeal symphysis * intervertebral disc between two vertebrae * in the sternum, between the manubrium and body * mandibular symphysis In human anatomy, the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis (Latin: ''symphysis menti'') or line of junction where the two lateral ha ..., in the jaw Symphysis disorders Pubic symphysis diastasis Pubic symphysis diastasis is an extremely rare complication that occurs in women who are giving birth. Separation of the two pubic bones during deli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterygiophore
A dorsal fin is a fin on the back of most marine and freshwater vertebrates. Dorsal fins have evolved independently several times through convergent evolution adapting to marine biology, marine environments, so the fins are not all Homology (biology), homologous. They are found in most fish, in mammals such as whales, and in extinct ancient marine reptiles such as ichthyosaurs. Most have only one dorsal fin, but some have two or three. Wildlife biologists often use the distinctive nicks and wear patterns which develop on the dorsal fins of whales to identify individuals in the field. The bones or cartilages that support the dorsal fin in fish are called pterygiophores. Functions The main purpose of the dorsal fin is usually to stabilize the animal against rolling and to assist in sudden turns. Some species have further adapted their dorsal fins to other uses. The Molidae, sunfish uses the dorsal fin (and the anal fin) for propulsion. In anglerfish, the anterior of the dorsal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bioluminescence
Bioluminescence is the emission of light during a chemiluminescence reaction by living organisms. Bioluminescence occurs in multifarious organisms ranging from marine vertebrates and invertebrates, as well as in some Fungus, fungi, microorganisms including some bioluminescent bacteria, Dinoflagellate, dinoflagellates and terrestrial arthropods such as Firefly, fireflies. In some animals, the light is bacteriogenic, produced by symbiosis, symbiotic bacteria such as those from the genus ''Vibrio''; in others, it is autogenic, produced by the animals themselves. In most cases, the principal chemical reaction in bioluminescence involves the reaction of a substrate called luciferin and an enzyme, called luciferase. Because these are generic names, luciferins and luciferases are often distinguished by the species or group, e.g. firefly luciferin or Vargulin, cypridina luciferin. In all characterized cases, the enzyme Catalysis, catalyzes the Redox, oxidation of the luciferin resultin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sexual Dimorphism
Sexual dimorphism is the condition where sexes of the same species exhibit different Morphology (biology), morphological characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecy, dioecious species, which consist of most animals and some plants. Differences may include secondary sex characteristics, size, weight, color, markings, or behavioral or cognitive traits. Male-male reproductive competition has evolved a diverse array of sexually dimorphic traits. Aggressive utility traits such as "battle" teeth and blunt heads reinforced as battering rams are used as weapons in aggressive interactions between rivals. Passive displays such as ornamental feathering or song-calling have also evolved mainly through sexual selection. These differences may be subtle or exaggerated and may be subjected to sexual selection and natural selection. The opposite of dimorphism is ''monomorphism'', when both biological sexes are phenotype, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
