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Atractus obesus MARX, 1960

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Fat Ground Snake 
SynonymAtractus obesus MARX 1960: 411
Atractus obesus — WALLACH et al. 2014: 77 
DistributionColombia (Antioquia; El Roblal, Río Pichinadé, tributary of Río Cali, Los Farallones, Valle del Cauca, Carca Colombia, 700-800 air miles south of terra typica)

Type locality: Santa Bárbara, at base of Cerro Frontimo, upper Río Urrao, a tributary of Río Penserisco, Cordillera Occidental, Antioquia, Colombia.  
Reproductionoviparous 
TypesHolotype: FMNH 69661 
DiagnosisDiagnosis: An Atractus with a wide frontal, a loreal 2% to four times longer than high, seven upper labials, two postoculars, one anterior temporal, 17 scale rows, ventrals in females 171 183, subcaudals in females 26-30, a false coral snake pattern, and a very thick body (from MARX 1960). 
Comment 
EtymologyNamed after Latin obesus, that has eaten, fat, stout, plump. [“...a very thick body...”]. (from Esteban Lavilla, pers. comm., May 2024) 
References
  • Castro-Herrera, F. & Vargas-Salinas, F. 2008. Anfibios y reptiles en el departamento del Valle del Cauca, Colombia. Biota Colombiana 9 (2): 251 - 277 - get paper here
  • Marx, Hymen 1960. A new colubrid snake of the genus Atractus. Fieldiana Zoology 39 (38): 411-413 - get paper here
  • Páez, V.P. et al. 2002. Guía de campo de algunas especies de anfibios y reptiles de Antioquia. Universidad de Antioquia, - get paper here
  • Passos, P., Dobiey, M., & Venegas, P. J. 2010. Variation and natural history notes on giant groundsnake, Atractus gigas (Serpentes: Dipsadidae). South American J. Herp. 5 (2): 73-82 - get paper here
  • Passos, Paulo, Juan C. Arredondo, Ronaldo Fernandes and John D. Lynch 2009. Three new Atractus (Serpentes: Dipsadidae) from the Andes of Colombia. Copeia 2009 (3): 425-436 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Valencia-Zuleta A, Jaramillo-Martínez AF, Echeverry-Bocanegra A, Viáfara-Vega R, Hernández-Córdoba O, Cardona-Botero VE, Gutiérrez-Zúñiga J, Castro-Herrera F. 2014. Conservation status of the herpetofauna, protected areas, and current problems in Valle del Cauca, Colombia. Amphibian & Reptile Conservation 8 (2): 1–18 (e87) - 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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