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Distribution

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Continent: South-America
Distribution: Venezuela (Amazonas, Apure, Bolivar, Monagas, Delta Amacuro, Sucre, Portuguesa, Anzoátegui, Guárico, Cojedes), Colombia, Brazil (Pará, Rondonia, Goias etc.), Bolivia, Peru, Trinidad, Ecuador, French Guiana
Type locality: œAsia (in error)
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Brown-banded water snake

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The brown-banded water snake (Helicops angulatus) is a species of aquatic snake found in tropical South America and Trinidad and Tobago. It is also known as the water mapepire.[3]

Description

The brown-banded water snake grows to a maximum total length (including tail) of 78 cm (31 inches). Dorsally, it is olive or gray-brown, with dark brown, black-edged crossbands, which narrow at the sides, and are usually confluent with the black crossbands of the belly. There is a large dark rhomboid on the nape. Ventrally, it is yellowish (in alcohol) with black crossbands or black spots.

The dorsal scales are strongly keeled, even on the occiput and nape, and are arranged in 19 rows. Ventrals are 102–130 in number, the anal scale is divided, and the 61-94 subcaudals are paired and keeled.[4]

Habitat and diet

H. angulatus lives in fresh and brackish water, where it feeds on fish (such as freshwater eels) and possibly also frogs and their eggs, tadpoles, lizards, earthworms, and carrion.[3][5]

Reproduction

H. angulatus has been reported to be "facultatively viviparous".[3]

Venom

H. angulatus is a non-front-fanged colubroid (NFFC),[6] venomous snake, its venom causes rapid death in mice with an injection of 0.4 mg/kg (intraperitoneally).[7] There is an urgent need for training of the medical team in the snake identification, clinical management of snakebite, and the existence of a human-snake conflict involving NFFC species in Bolivia.[6]

References

  1. ^ Nogueira, C.; Gonzales, L.; Cisneros-Heredia, D.F.; Gagliardi, G.; Catenazzi, A.; Schargel, W.; Rivas, G.; Murphy, J. (2019). "Helicops angulatus". IUCN Red List of Threatened Species. 2019: e.T15178420A15178466. Retrieved 2 December 2021.
  2. ^ "Helicops angulatus ". Reptile-database.org
  3. ^ a b c "Helicops angulatus (Water Mapepire)" (PDF). Sta.uwi.edu. Retrieved 9 April 2022.
  4. ^ Boulenger, G.A. 1893. Catalogue of the Snakes in the British Museum (Natural History), Volume I., Containing the Families ... Colubridæ Aglyphæ, part. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I-XXVIII. (Helicops angulatus, pp. 278-279).
  5. ^ "Brown-banded Watersnake (Helicops angulatus)".
  6. ^ a b Villca-Coraniad, Huber; Nieto-Arizaad, Beatriz; Leónad, Raúl; Rocabadoa, José A.; Chippauxabd, Jean-Philippe; Urracd, Félix A. (30 October 2021). "First reports of envenoming by South American water snakes Helicops angulatus and Hydrops triangularis from Bolivian Amazon: A one-year prospective study of non-front-fanged colubroid snakebites". Toxicon. 202: 53–59. doi:10.1016/j.toxicon.2021.09.003. PMID 34562494. S2CID 237636615.
  7. ^ Weinstein, Scott A.; Warrell, David A.; White, Julian; Keyler, Daniel E. (2011-06-20). "Venomous Bites from Non-Venomous Snakes: A Critical Analysis of Risk and Management of "Colubrid Snake Bites. Elsevier. ISBN 978-0-12-387755-0.
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Brown-banded water snake: Brief Summary

provided by wikipedia EN

The brown-banded water snake (Helicops angulatus) is a species of aquatic snake found in tropical South America and Trinidad and Tobago. It is also known as the water mapepire.

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Helicops angulatus ( Spanish; Castilian )

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Helicops angulatus es una especie de serpiente de la familia Colubridae. Se distribuye por Ecuador, Perú, Colombia, Venezuela, Surinam, Guyana, Guayana Francesa, Brasil, Trinidad y Tobago y Bolivia. Es una serpiente semiacuática y se puede encontrar en todo tipo de ecosistemas acuáticos entre el nivel del mar y los 1600 metros de altitud.[1]

Su dorso es de color crema con bandas marrón oscuro. El vientre puede ser blanquecino, amarillento o rojizo con manchas negras. Sus ojos son pequeños y de color marrón. Tiene 19 filas de escamas dorsales en la mitad del cuerpo. Las escamas son quilladas.[3]​ Es una serpiente nocturna. Se alimenta de peces, renacuajos, ranas y lagartos semiacuáticos.[1]​ Es una de las pocas especies de serpiente que es tanto ovípara como vivípara.[2]

Referencias

  1. a b c Nogueira, C., Gonzales, L., Cisneros-Heredia, D.F., Gagliardi, G., Catenazzi, A., Schargel, W., Rivas, G. & Murphy, J. (2019). «Helicops angulatus». Lista Roja de especies amenazadas de la UICN 2022 (en inglés). ISSN 2307-8235. Consultado el 17 de enero de 2021.
  2. a b Uetz, P. & Jirí Hošek (ed.). «Helicops angulatus». Reptile Database (en inglés). Reptarium. Consultado el 17 de enero de 2021.
  3. Duellman, W.E. (2005). Cusco Amazónico: the lives of amphibians and reptiles in an Amazonian rainforest. Cornell University Press. ISBN 0-8014-3997-3.
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wikipedia ES

Helicops angulatus: Brief Summary ( Spanish; Castilian )

provided by wikipedia ES

Helicops angulatus es una especie de serpiente de la familia Colubridae. Se distribuye por Ecuador, Perú, Colombia, Venezuela, Surinam, Guyana, Guayana Francesa, Brasil, Trinidad y Tobago y Bolivia. Es una serpiente semiacuática y se puede encontrar en todo tipo de ecosistemas acuáticos entre el nivel del mar y los 1600 metros de altitud.​

Su dorso es de color crema con bandas marrón oscuro. El vientre puede ser blanquecino, amarillento o rojizo con manchas negras. Sus ojos son pequeños y de color marrón. Tiene 19 filas de escamas dorsales en la mitad del cuerpo. Las escamas son quilladas.​ Es una serpiente nocturna. Se alimenta de peces, renacuajos, ranas y lagartos semiacuáticos.​ Es una de las pocas especies de serpiente que es tanto ovípara como vivípara.​

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Helicops angulatus ( Basque )

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(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Helicops angulatus: Brief Summary ( Basque )

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Helicops angulatus Helicops generoko animalia da. Narrastien barruko Dipsadidae familian sailkatuta dago.

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Helicops angulatus ( French )

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Helicops angulatus est une espèce de serpents de la famille des Dipsadidae[1].

Répartition

Cette espèce se rencontre[1] :

Description

Helicops angulatus[2] mesure de 39 à 80 cm dont 12 à 23 cm pour la queue.

Publication originale

  • Linnaeus, 1758 : Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, ed. 10 (texte intégral).

Notes et références

  1. a et b Reptarium Reptile Database, consulté lors d'une mise à jour du lien externe
  2. Da Frota, 2005 : Nova espécie de Helicops Wagler, 1830 (Serpentes, Colubridae) do rio Tapajós, Amazonia, Brasil. Phyllomedusa, vol. 4, no 1, p. 61-68 (texte intégral).
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Helicops angulatus: Brief Summary ( French )

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Helicops angulatus est une espèce de serpents de la famille des Dipsadidae.

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Helicops angulatus ( Portuguese )

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Helicops angulatus, é uma serpente aquática que habita em água doce e salobra - sendo, por isso, conhecida pelo nome vulgar de cobra-d'água.[1] Distribui-se por regiões tropicais da América do Sul e Trinidad e Tobago. Atinge um comprimento máximo de 78 cm. Alimenta-se de peixe diversos (incluindo, provavelmente, enguias) e rãs. É indicada como sendo uma espécie "facultativamente ovovivípara".

Referências

  1. a b Ortega, A., Calderón, M., Silveira, A.L., Prudente, A.L. da C., Argôlo , A.J.S., Abrahão, C.R., Nogueira, C. de C., Barbo, F.E., Pontes, G.M.F., Costa, G.C., Colli, G.R., Zaher, H. el D., Borges-Martins, M., Martins, M.R.C., Oliveira , M.E., Passos, P.G.H., Bérnils, R.S., Sawaya, R.J., Cechin, C.T.Z & Guedes da Costa, T.B. (2019). Helicops carinicaudus (em inglês). IUCN 2019. Lista Vermelha de Espécies Ameaçadas da IUCN de 2019 Versão e.T15178559A15178570. doi:10.2305/IUCN.UK.2019-2.RLTS.T15178559A15178570.en Página visitada em 28 de outubro de 2021.

Ver também

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Helicops angulatus: Brief Summary ( Portuguese )

provided by wikipedia PT

Helicops angulatus, é uma serpente aquática que habita em água doce e salobra - sendo, por isso, conhecida pelo nome vulgar de cobra-d'água. Distribui-se por regiões tropicais da América do Sul e Trinidad e Tobago. Atinge um comprimento máximo de 78 cm. Alimenta-se de peixe diversos (incluindo, provavelmente, enguias) e rãs. É indicada como sendo uma espécie "facultativamente ovovivípara".

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Helicops angulatus ( Vietnamese )

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Helicops angulatus là một loài rắn trong họ Rắn nước. Loài này được Linnaeus mô tả khoa học đầu tiên năm 1758.[3]

Hình ảnh

Chú thích

  1. ^ 10th edition of Systema Naturae
  2. ^ The Reptile Database. www.reptile-database.org.
  3. ^ Helicops angulatus. The Reptile Database. Truy cập ngày 29 tháng 5 năm 2013.

Tham khảo


Hình tượng sơ khai Bài viết liên quan phân họ rắn Xenodontinae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Helicops angulatus: Brief Summary ( Vietnamese )

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Helicops angulatus là một loài rắn trong họ Rắn nước. Loài này được Linnaeus mô tả khoa học đầu tiên năm 1758.

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