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Sand knifefish are freshwater electric fish of the family Rhamphichthyidae, from freshwater habitats in South America. Just like most part of the members of the Gymnotiformes group, they also have elongated and compressed bodies and electric organs. The long anal fin actually extends from before the pectoral fins to the tip of the tail. There is no dorsal fin. Teeth are absent in the oral jaws and the snout is very long and tubular. The nostrils are very close together. This group is sometimes known as the tubesnout knifefishes for this reason.

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  • Die Sand-Messeraale oder Röhrenmaul-Messerfische (Rhamphichthyidae, von altgriechisch ράμφος rhámphos, deutsch ‚Schnabel‘ und ἰχθύς ichthýs, deutsch ‚Fisch‘) leben in Süßgewässern in Südamerika. Die Fische sind nachtaktiv und verbringen den Tag vergraben im Sand. Sie betreiben Brutpflege. (de)
  • Los peces cuchillo de arena son la familia Rhamphichthyidae de peces de agua dulce, incluida en el orden Gymnotiformes, distribuidos por ríos y lagos de América del Sur.​ Su nombre procede del griego: rhamphos (pico de ave) + ichthys (pez).​ (es)
  • Les Rhamphichthyidae sont une famille de poissons de l'ordre des Gymnotiformes. (fr)
  • Sand knifefish are freshwater electric fish of the family Rhamphichthyidae, from freshwater habitats in South America. Just like most part of the members of the Gymnotiformes group, they also have elongated and compressed bodies and electric organs. The long anal fin actually extends from before the pectoral fins to the tip of the tail. There is no dorsal fin. Teeth are absent in the oral jaws and the snout is very long and tubular. The nostrils are very close together. This group is sometimes known as the tubesnout knifefishes for this reason. They are nocturnal and burrow in the sand during the day. (en)
  • Rhamphichthyidae è una famiglia di pesci ossei d'acqua dolce appartenente all'ordine Gymnotiformes. (it)
  • 람피크티스과(Rhamphichthyidae)는 김노투스목에 속하는 조기어류 과의 하나이다. 남아메리카의 민물에서 발견된다. 3속 16종으로 이루어져 있다. 김노투스목에 속하는 대부분의 다른 물고기들처럼 람피크티스류 또한 몸이 가늘고 길며 납작한 형태를 보이며, 생체 전기를 만드는 기관을 갖고 있다. 뒷지느러미가 가슴지느러미 앞부터 꼬리 끝단까지 길게 이어져 있다. 등지느러미는 없다. (ko)
  • Rhamphichthyidae is een familie van straalvinnige vissen uit de orde van de mesaalachtigen. (nl)
  • Rhamphichthyidae é uma família de peixes da ordem Gymnotiformes. São conhecidos popularmente como "Peixes-faca-da-areia". (pt)
  • Rhamphichthyidae är en familj av fiskar. Rhamphichthyidae ingår i ordningen Gymnotiformes, klassen strålfeniga fiskar, fylumet ryggsträngsdjur och riket djur. Enligt Catalogue of Life omfattar familjen Rhamphichthyidae 14 arter. Kladogram enligt Catalogue of Life: (sv)
  • 大吻電鰻科為輻鰭魚綱電鰻目的一科。 (zh)
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  • Rhamphichthyidae (en)
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  • Rhamphichthys marmoratus (en)
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  • Sand knifefish (en)
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  • Animalia (en)
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  • See [[#Genera (en)
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  • Die Sand-Messeraale oder Röhrenmaul-Messerfische (Rhamphichthyidae, von altgriechisch ράμφος rhámphos, deutsch ‚Schnabel‘ und ἰχθύς ichthýs, deutsch ‚Fisch‘) leben in Süßgewässern in Südamerika. Die Fische sind nachtaktiv und verbringen den Tag vergraben im Sand. Sie betreiben Brutpflege. (de)
  • Los peces cuchillo de arena son la familia Rhamphichthyidae de peces de agua dulce, incluida en el orden Gymnotiformes, distribuidos por ríos y lagos de América del Sur.​ Su nombre procede del griego: rhamphos (pico de ave) + ichthys (pez).​ (es)
  • Les Rhamphichthyidae sont une famille de poissons de l'ordre des Gymnotiformes. (fr)
  • Rhamphichthyidae è una famiglia di pesci ossei d'acqua dolce appartenente all'ordine Gymnotiformes. (it)
  • 람피크티스과(Rhamphichthyidae)는 김노투스목에 속하는 조기어류 과의 하나이다. 남아메리카의 민물에서 발견된다. 3속 16종으로 이루어져 있다. 김노투스목에 속하는 대부분의 다른 물고기들처럼 람피크티스류 또한 몸이 가늘고 길며 납작한 형태를 보이며, 생체 전기를 만드는 기관을 갖고 있다. 뒷지느러미가 가슴지느러미 앞부터 꼬리 끝단까지 길게 이어져 있다. 등지느러미는 없다. (ko)
  • Rhamphichthyidae is een familie van straalvinnige vissen uit de orde van de mesaalachtigen. (nl)
  • Rhamphichthyidae é uma família de peixes da ordem Gymnotiformes. São conhecidos popularmente como "Peixes-faca-da-areia". (pt)
  • Rhamphichthyidae är en familj av fiskar. Rhamphichthyidae ingår i ordningen Gymnotiformes, klassen strålfeniga fiskar, fylumet ryggsträngsdjur och riket djur. Enligt Catalogue of Life omfattar familjen Rhamphichthyidae 14 arter. Kladogram enligt Catalogue of Life: (sv)
  • 大吻電鰻科為輻鰭魚綱電鰻目的一科。 (zh)
  • Sand knifefish are freshwater electric fish of the family Rhamphichthyidae, from freshwater habitats in South America. Just like most part of the members of the Gymnotiformes group, they also have elongated and compressed bodies and electric organs. The long anal fin actually extends from before the pectoral fins to the tip of the tail. There is no dorsal fin. Teeth are absent in the oral jaws and the snout is very long and tubular. The nostrils are very close together. This group is sometimes known as the tubesnout knifefishes for this reason. (en)
rdfs:label
  • Rhamphichthyidae (en)
  • Sand-Messeraale (de)
  • Rhamphichthyidae (es)
  • Rhamphichthyidae (fr)
  • Rhamphichthyidae (it)
  • 람피크티스과 (ko)
  • Rhamphichthyidae (nl)
  • Rhamphichthyidae (pt)
  • Rhamphichthyidae (sv)
  • 大吻電鰻科 (zh)
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  • Sand knifefish (en)
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