Narcine
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Narcine
''Narcine'' is a genus of electric rays in the family Narcinidae. These species have a rounded pectoral fin disc and two dorsal fins, the first usually smaller than the second and placed behind the pelvic fin bases. The tail is longer than the disc and has a lateral fold. The spiracles are close behind the eyes, the nasal flaps are merged into a flap in front of the mouth. The teeth are nearly flat, with a central point. Species There are currently 21 recognized species in this genus: * '' Narcine atzi'' M. R. de Carvalho & J. E. Randall, 2003 (Atz's numbfish) * ''Narcine baliensis'' M. R. de Carvalho & W. T. White, 2016 Carvalho, M.R.d. & White, W.T. (2016): ''Narcine baliensis'', a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes). ''Zootaxa, 4127 (1): 149–160.'' * '' Narcine bancroftii'' ( E. Griffith & C. H. Smith, 1834) (Lesser electric ray) * ''Narcine brasiliensis'' ( Olfers, 1831) (Brazilian electric ray) * ''Narcine brevilabiata'' B ...
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Narcine Insolita
''Narcine'' is a genus of electric rays in the family Narcinidae. These species have a rounded pectoral fin disc and two dorsal fins, the first usually smaller than the second and placed behind the pelvic fin bases. The tail is longer than the disc and has a lateral fold. The spiracles are close behind the eyes, the nasal flaps are merged into a flap in front of the mouth. The teeth are nearly flat, with a central point. Species There are currently 21 recognized species in this genus: * '' Narcine atzi'' M. R. de Carvalho & J. E. Randall, 2003 (Atz's numbfish) * ''Narcine baliensis'' M. R. de Carvalho & W. T. White, 2016 Carvalho, M.R.d. & White, W.T. (2016): ''Narcine baliensis'', a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes). ''Zootaxa, 4127 (1): 149–160.'' * '' Narcine bancroftii'' ( E. Griffith & C. H. Smith, 1834) (Lesser electric ray) * ''Narcine brasiliensis'' ( Olfers, 1831) (Brazilian electric ray) * ''Narcine brevilabiata'' B ...
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Narcine Atzi
''Narcine'' is a genus of electric rays in the family Narcinidae. These species have a rounded pectoral fin disc and two dorsal fins, the first usually smaller than the second and placed behind the pelvic fin bases. The tail is longer than the disc and has a lateral fold. The spiracles are close behind the eyes, the nasal flaps are merged into a flap in front of the mouth. The teeth are nearly flat, with a central point. Species There are currently 21 recognized species in this genus: * '' Narcine atzi'' M. R. de Carvalho & J. E. Randall, 2003 (Atz's numbfish) * ''Narcine baliensis'' M. R. de Carvalho & W. T. White, 2016 Carvalho, M.R.d. & White, W.T. (2016): ''Narcine baliensis'', a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes). ''Zootaxa, 4127 (1): 149–160.'' * '' Narcine bancroftii'' ( E. Griffith & C. H. Smith, 1834) (Lesser electric ray) * ''Narcine brasiliensis'' ( Olfers, 1831) (Brazilian electric ray) * ''Narcine brevilabiata'' B ...
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Narcine Baliensis
''Narcine'' is a genus of electric rays in the family Narcinidae. These species have a rounded pectoral fin disc and two dorsal fins, the first usually smaller than the second and placed behind the pelvic fin bases. The tail is longer than the disc and has a lateral fold. The spiracles are close behind the eyes, the nasal flaps are merged into a flap in front of the mouth. The teeth are nearly flat, with a central point. Species There are currently 21 recognized species in this genus: * '' Narcine atzi'' M. R. de Carvalho & J. E. Randall, 2003 (Atz's numbfish) * '' Narcine baliensis'' M. R. de Carvalho & W. T. White, 2016 Carvalho, M.R.d. & White, W.T. (2016): ''Narcine baliensis'', a new species of electric ray from southeast Asia (Chondrichthyes: Torpediniformes). ''Zootaxa, 4127 (1): 149–160.'' * '' Narcine bancroftii'' ( E. Griffith & C. H. Smith, 1834) (Lesser electric ray) * '' Narcine brasiliensis'' ( Olfers, 1831) (Brazilian electric ray) * '' Narcine brevilabiata'' ...
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Narcine Brasiliensis
''Narcine brasiliensis'', the Brazilian electric ray or lesser numbfish, is a species of electric ray in the family Narcinidae Narcinidae, or numbfishes, are a family of electric rays (order Torpediniformes). They are bottom-dwelling cartilaginous fishes with large, rounded pectoral fin discs and long tails. They can produce an electric discharge for defense, from whic .... It inhabits coastal waters of the Southwest Atlantic from souther Brazil through Uruguay to northern Argentina. Habitat This species is considered a “warm water species”. When there's a temperature gradient between an inshore and an offshore they will habituate at the depths with the highest temperature (Menni 2000). The density of this species had a higher concentration in temperatures that were greater than 20ºC (Vianna 2009). They prefer shallow waters because that is usually the warmest part of the water. During the summer, they are abundant in coastal water with depths that go to 20 meters and ...
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Brazilian Electric Ray
''Narcine brasiliensis'', the Brazilian electric ray or lesser numbfish, is a species of electric ray in the family Narcinidae Narcinidae, or numbfishes, are a family of electric rays (order Torpediniformes). They are bottom-dwelling cartilaginous fishes with large, rounded pectoral fin discs and long tails. They can produce an electric discharge for defense, from whic .... It inhabits coastal waters of the Southwest Atlantic from souther Brazil through Uruguay to northern Argentina. Habitat This species is considered a “warm water species”. When there's a temperature gradient between an inshore and an offshore they will habituate at the depths with the highest temperature (Menni 2000). The density of this species had a higher concentration in temperatures that were greater than 20ºC (Vianna 2009). They prefer shallow waters because that is usually the warmest part of the water. During the summer, they are abundant in coastal water with depths that go to 20 meters and ...
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Narcine Bancroftii
The lesser electric ray (''Narcine bancroftii''), also known as the Brazilian electric ray, small electric ray, spotted torpedo ray, torpedofish or trembler, is a species of numbfish in the family Narcinidae found on the western coastal fringes of the Atlantic Ocean and Caribbean Sea. It is a small slow-moving fish, living in the surf zone of sandy or muddy beaches. Here it is easily caught as bycatch by shrimp fisheries and seine netters. The International Union for Conservation of Nature has rated it as being of "least concern". Description This species of ray has a near-circular body and a short tail. It grows to approximately long, and wide, with colouration ranging from dark brown to reddish orange. It has irregular rings, sometimes oval in shape. The ventral surface ranges from white to greenish. It has tooth rows that vary in number from 17 to 34 in each jaw. This depends on the size of the specimen. It has two electric organs, elongate in shape, that run from the front ...
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Narcine Entemedor
''Narcine entemedor'', the giant electric ray or Cortez electric ray, is a species of numbfish, family Narcinidae, native to the eastern Pacific Ocean from the Gulf of California to Panama. It is found in shallow water on sandy bottoms and sometimes adjacent to reefs. This species is closely related to the lesser electric ray (''Narcine bancroftii'') from the western Atlantic, and may represent the same species. The specific epithet ''entemedor'' seems to be the Spanish equivalent of "intimidator". This species attains a maximum length of 76 cm (30 in). The flattened pectoral fin disk is round, as long as it is wide, and overlapping the origin of the large pelvic fins. The eyes are much smaller than the spiracles, which are edged with small tubercles. The nostril on each side is not divided into two separate apertures. The teeth are mostly exposed when the mouth is closed. The tail is equal in length to the disk, with loose lateral folds of skin and two dorsal fins of eq ...
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Narcine Brevilabiata
The shortlip electric ray (''Narcine brevilabiata''), is a species of electric ray in the numbfish family, Narcinidae. It may be synonymous with the blackspotted numbfish, ''Narcine maculata''. The shortlip electric ray is found in shallow continental shelf waters offshore of China, Malaysia, Thailand, and Vietnam, at a depth of 41 to 70 meters. It is assessed as Vulnerable on the IUCN Red List, as it is caught as by-catch in large numbers by shrimp trawling fisheries operating throughout its range. The shortlip electric ray has a rounded pectoral fin disc, with a tail not longer than the disc. Unlike most species of ''Narcine'', the second dorsal fin of ''N. brevilabiata'' is smaller than the first. The forward part of the pelvic fins are expanded into long lobes, while their rear margins are concave. The tooth bands are exposed and subtriangular in shape, with the upper clearly wider than the lower. It has small, dark spots and blotches above, with a few much larger circular sp ...
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Narcine Brunnea
''Narcine brunnea'', the brown numbfish or brown electric ray, is a species of numbfish in the family Narcinidae. It is found in Indo-West Pacific countries such as Pakistan off coast, India, Sri Lanka, to the Gulf of Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo .... They mainly live in continental waters, both inshore and offshore. The maximum length is about . References * https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=564318 External links * http://www.marinespecies.org/aphia.php?p=taxdetails&id=275388 * http://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=64361 * http://shark-references.com/species/view/Narcine-brunnea * http://thewebsiteofeverything.com/animals/fish/Torpediniformes/Narcinidae/Narcine-brunnea * https://www ...
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Electric Ray
The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes . They are known for being capable of producing an electric discharge, ranging from 8 to 220 volts, depending on species, used to stun prey and for defense. There are 69 species in four families. Perhaps the best known members are those of the genus ''Torpedo''. The torpedo undersea weapon is named after it. The name comes from the Latin , 'to be stiffened or paralyzed', from the effect on someone who touches the fish. Description Electric rays have a rounded pectoral disc with two moderately large rounded-angular (not pointed or hooked) dorsal fins (reduced in some Narcinidae), and a stout muscular tail with a well-developed caudal fin. The body is thick and flabby, with soft loose skin with no dermal denticles or thorns. A pair of kidney-shaped electric organs are at the base of the pectoral fins. The snout is broad, large in the Narcinidae, b ...
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Narcinidae
Narcinidae, or numbfishes, are a family of electric rays (order Torpediniformes). They are bottom-dwelling cartilaginous fishes with large, rounded pectoral fin discs and long tails. They can produce an electric discharge for defense, from which their scientific name is derived (Greek , meaning 'paralysis'). Members of this family are commonly known as the numbfishes, and are found almost worldwide in warm temperate and tropical continental and continental insular waters. They are strictly marine, so are absent from rivers and lakes. They occur in sandy beaches, muddy enclosed bays, estuaries, off coral reefs and river mouths, and on the upper continental slope to a depth of 1,071 m.Compagno, L.J.V. and Last, P.R. (1999). Narcinidae. Numbfishes. p. 1433-1437. In: K.E. Carpenter and V.H. Niem (eds.) ''FAO identification guide for fishery purposes. The living marine resources of the Western Central Pacific.'' Rome: Food and Agriculture Organization. Description Small to medium- ...
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Edwin Chapin Starks
Edwin Chapin Starks (born in Baraboo, Wisconsin on January 25, 1867; died December 29, 1932) was an ichthyologist most associated with Stanford University. He was known as an authority on the osteology of fish. He also did studies of fish of the Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected ma .... His wife and daughter were also both involved in either science or natural history. See also * :Taxa named by Edwin Chapin Starks References {{DEFAULTSORT:Starks, Edwin Chapin American ichthyologists Stanford University Department of Biology faculty Stanford University alumni 1867 births 1932 deaths People from Baraboo, Wisconsin ...
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