Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update:
April 8th, 2025.
 
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Genus
Eunectes
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Anacondas
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Anakondas
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Anakondaer
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1763 |  |
Scytale Gronovius (type species: Boa scytale Linnaeus 1758) |
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1830 | |
Eunectes Wagler (type species: Boa scytale Linnaeus 1758) |
Contents:
4 species, of which 1 (25.0%) is endemic.
Endemism: 0%  100%
Distribution:
South America.
Reported from:
Argentina,
Bolivia,
Brazil
(Acre,
Amapa,
Amazonas,
Bahia,
Ceara,
Distrito Federal,
Goias,
Maranhao,
Mato Grosso,
Mato Grosso do Sul,
Minas Gerais,
Para
[incl.
Marajo Island],
Parana,
Pernambuco,
Piaui,
Rio de Janeiro,
Rio Grande do Sul,
Rondonia,
Roraima,
Santa Catarina,
Sao Paulo,
Sergipe),
Colombia,
Ecuador,
French Guiana,
Guyana,
Paraguay,
Peru,
Surinam,
Trinidad & Tobago
(Trinidad),
Uruguay,
Venezuela.
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Meristic and other data
of the world's snakes.
Compiled by
V. Wallach
Key to abbreviations
Head drawings of the
genus Eunectes.
Compiled by V. Wallach
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Eunectes beniensis
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Bolivian Anaconda
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Beni-Anakonda
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Boliviansk Anaconda
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2002 | |
Eunectes beniensis Dirksen |
Remarks:
Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (2024)
regarded beniensis as a synonym of notaeus, however, this was refuted by Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron (2024).
Distribution:
Bolivia.
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Eunectes deschauenseei
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Dark-spotted Anaconda, Marajo Island Boa
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De Schauensees Anakonda
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Mørkplettet Anaconda
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1936 | |
Eunectes deschauenseei Dunn & Conant |
Remarks:
Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (2024)
regarded deschauenseei as a synonym of notaeus, however, this was refuted by Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron (2024).
Distribution:
Brazil
(Amapa,
Para
[incl.
Marajo Island]),
French Guiana.
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Eunectes murinus
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Green Anaconda, Water Boa
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Grosse Anakonda, Grüne Anakonda
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Grøn Anakonda, Vandboa, Vandkvæler
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1758 | |
Boa murina Linnaeus |
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Eunectes murinus Wagler 1830 |
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1801 | |
Boa gigas Latreille in Sonnini & Latreille (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
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Eunectes murinus gigas Dunn & Conant 1936 |
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1803 | |
Boa anacondo Daudin (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
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1825 | |
Boa aquatica Wied-Neuwied (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
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1936 | |
Eunectes barbouri Dunn & Conant (syn. Strimple, Puorto, Holmstrom, Henderson & Conant 1997; Dirksen & Böhme 1998; Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
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2024 | |
Eunectes akayima Rivas, Quintana, Mancuso, Pacheco, Rivas, Mariotto, Salazar-Valenzuela, Baihua, Baihua, Burghardt, Vonk, Hernandez, García-Pérez, Fry & Corey-Rivas (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
Remarks:
A record from Rio de Janeiro (Dirksen 2002) is regarded as doubtful.
The species was not listed for the state by Costa & Bérnils (2018), nor by Oliveira, Gonzalez, Passos, Vrcibradic & Rocha (2020).
Introduced to:
USA
(Florida).
Distribution:
Bolivia,
Brazil
(Acre,
Amapa,
Amazonas,
Bahia,
Ceara,
Distrito Federal,
Goias,
Maranhao,
Mato Grosso,
Mato Grosso do Sul,
Minas Gerais,
Para
[incl.
Marajo Island],
Parana,
Piaui,
Rondonia,
Roraima,
Sao Paulo,
Sergipe,
Tocantins),
Colombia,
Ecuador,
French Guiana,
Guyana,
Paraguay,
Peru,
Surinam,
Trinidad & Tobago
(Trinidad),
Venezuela.
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Eunectes murinus
© Rune Midtgaard
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Eunectes notaeus
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Yellow Anaconda, Paraguay Anaconda
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Gelbe Anakonda, Paraguay-Anakonda
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Gul Anakonda
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1862 | |
Eunectes notaeus Cope |
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1903 | |
Epicrates wieningeri Steindachner (syn. Dubois, Denzer, Entiauspe-Neto, Frétey, Ohler, Bauer & Pyron 2024) |
Remarks:
The single record from Rio Grande do Sul, Brazil, may represent a snake which had been transported from Argentina by the Uruguay River (Dirksen 2001).
Introduced to:
Puerto Rico,
USA
(Florida).
Distribution:
Argentina,
Bolivia,
Brazil
(Mato Grosso,
Mato Grosso do Sul,
Parana,
Rio Grande do Sul),
Paraguay,
Uruguay.
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Eunectes notaeus
© Rune Midtgaard
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