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Atractus indistinctus PRADO, 1940

IUCN Red List - Atractus indistinctus - Data Deficient, DD
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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Indistinct Ground Snake
E: Striped Ground Snake [vertebrolineatus] 
SynonymAtractus indistinctus PRADO 1940: 16
Atractus vertebrolineatus PRADO 1941: 25
Atractus eriki ESQUEDA, LA MARCA & BAZÓ 2007
Atractus indistinctus — PASSOS & ARREDONDO 2009
Atractus vertebrolineatus — PASSOS & ARREDONDO 2009
Atractus vertebrolineatus — WALLACH et al. 2014: 83
Atractus eriki — WALLACH et al. 2014: 72
Atractus indistinctus — WALLACH et al. 2014: 74
Atractus indistinctus — PASSOS et al. 2024: 58
Atractus eriki — ESQUEDA et al. 2025 
DistributionColombia (Norte de Santander)

Type locality: Ocaña, Dep. de Norte de Santander, Colombia

eriki: W Venezuela (Trujillo); Type locality: Sector Media Luna, Escuque, 7.38 km E Valera, approx. 1000 m elevation, 9° 18’ N, 70° 40’ W, Municipio Escuque, Estado Trujillo, Venezuela.

vertebrolineatus (invalid): Colombia (Santander); Type locality: Ocaña, Dep. de Norte de Santander, Colombia  
Reproductionoviparous 
TypesHolotype: MLS 166
Holotype: ULABG 6693 [eriki]
Holotype: MLS 184, a 296 mm male (Nicéforo María). [vertebrolineatus] 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 16725 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSynonymy: Passos et al. 2024 synonymized Atractus eriki and Atractus vertebrolineatus with Atractus indistinctus.

Etymology: A. eriki was named after Erik La Marca who captured the first specimen of this species.

RDB speciesID: 11436 [vertebrolineatus] 
EtymologyNamed after Latin indistinctus, not separated; indistinct, obscure. [“...Proximo a Atractus maculatus (Günther) e a Atractus obtusirostris Werner...”]. (from Esteban Lavilla, pers. comm., May 2024) 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Bernal, R. 2025. Serpientes de Colombia-Guía de Campo. Serie de Guías Tropicales de Campo. 19: 396 pp. Conservación Internacional Colombia, Bogotá - get paper here
  • Carvajal-Cogollo, J.E.; L.E. Rojas-Murcia. & G. Cárdenas-Arévalo 2020. Reptiles del Caribe colombiano/ Reptiles of the Colombian Caribbean. Tunja: Editorial UPTC, 268 pp. - get paper here
  • Esqueda, L.F., E. La Marca & S. Bazó. 2007. Un nuevo colúbrido semifosorial del género Atractus (Dipsadinae) de la vertiente lacustre de los Andes de Venezuela. Herpetotropicos 2 (2): 87-93 [2005] - get paper here
  • Natera-Mumaw, Marco; Luis Felipe Esqueda-González & Manuel Castelaín-Fernández 2015. Atlas Serpientes de Venezuela. Santiago de Chile, Dimacofi Negocios Avanzados S.A., 456 pp. - get paper here
  • Passos, P. & Arredondo, J.C. 2009. Rediscovery and redescription of the Andean earth-snake Atractus wagleri (Reptilia: Serpentes: Colubridae). Zootaxa 1969: 59–68 - get paper here
  • Passos, P., Meneses-Pelayo, E., Ramos, L. O., Martins, A. R., Machado, A., Lopes, R. T., ... & Lynch, J. D. 2024. Taxonomy without borders: Revision of the genus Atractus (Serpentes: Dipsadidae) from the Andes between Colombia and Venezuela. South American Journal of Herpetology, 32(sp1), 1-123 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Prado, A. 1940. Notas ofiológicas 4. Cinco especies novas de serpentes colombianas do genero Atractus W AGLER. Mem. Inst. Butantan, Sào Paulo 13 [1939]: 15-19 + 2 plates - get paper here
  • Prado, Alcides 1941. Notas ofiológicas 5. Observações sobre serpentes da Colombia. Mem. Inst. Butantan 14: 1-11 [1940] - get paper here
  • Prado,A. 1941. Notas ofiológicas 8. Dois novos Atractus da Colombia. Mem. Inst. Butantan, Sào Paulo 14: 25-27 + 1 plate [1940] - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
 
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