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Bothriechis rahimi ARTEAGA, PYRON, BATISTA, VIEIRA, MENESES-PELAYO, SMITH, BARRIO-AMORÓS, KOCH, AGNE, VALENCIA, BUSTAMANTE & HARRIS, 2024

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Rahim’s Eye- lash-Pitviper
G: Rahims Lanzenotter
S: Víbora de pestañas de Rahim 
SynonymBothriechis rahimi ARTEAGA, PYRON, BATISTA, VIEIRA, MENESES-PELAYO, SMITH, BARRIO-AMORÓS, KOCH, AGNE, VALENCIA, BUSTAMANTE, HARRIS 2024: 48 
DistributionEcuador, SW Colombia

Type locality: Tundaloma Lodge, Esmeraldas province, Ecuador (1.18236, -78.7525; 74 m)  
Reproduction 
TypesHolotype: ZSFQ 5055 (18), adult female collected on January 1, 2017. Paratypes: See Suppl. material 1 in Arteaga et al. 2024. 
DiagnosisDiagnosis: Bothriechis rahimi sp. nov. is diagnosed based on the following combination of characters: (1) two or three raised triangular or spinelike supraciliary scales; (2) anterior dorsal head scales keeled; (3) gular scales much smaller than chinshields; (4) 8–13 interoculolabials; (5) 4–5 canthals, some raised slightly forming a ridge along the canthus; (6) loreal not in contact with preocular; (7) yellow
morph present; (8) dorsal bands pink and faint; (9) opposing kidney shaped dorsal marks absent; (10) black speckles on dorsal scales absent; (11) black speckling on ventral surfaces absent; (12) ventral surfaces entirely white in some individuals; (13) iris pale straw yellow with fine black speckles; (14) 21–23 dorsal scale rows at mid-body; (15) 137–145 ventrals in males, 146–151 in females; (16) maximum total length in males 336 mm, in females 494 mm. (Arteaga et al. 2024: 48) 
CommentVenomous!

Synonymy: Reyes-Velasco 2024 argued that B. torvus, B. khwargi, B. klebbai, B. rasikusumorum, B. rahimi, B. nitidus, B. torvus, and B. hussaini should be synonymized with B. schlegelii, given their genetic and morphological similarity. Reyes-Velasco 2024 thus argued that only B. nigroadspersus, B. schlegelii, and B. supraciliaris should be maintained. We agree that the former 5 species are not very much differentiated from B. schlegelii and should be considered preliminary species. We have not adopted Reyes-Velasco’s revision yet as there are reportedly other studies in the process of publication, hence the taxonomy of Bothriechis is in flux and more changes are likely to come soon. 
References
  • Arteaga A, Pyron RA, Batista A, Vieira J, Meneses Pelayo E, Smith EN, Barrio Amorós CL, Koch C, Agne S, Valencia JH, Bustamante L, Harris KJ 2024. Systematic revision of the Eyelash Palm-Pitviper Bothriechis schlegelii (Serpentes, Viperidae), with the description of five new species and revalidation of three. Evolutionary Systematics 8(1): 15-64 - get paper here
  • Arteaga, A.; Bustamante, L.; Vieira, J. 2024. Reptiles of Ecuador. Khamai Foundation & Tropical Herping, 1073 pp. - get paper here
  • Reyes-Velasco, J. 2024. A revision of recent taxonomic changes to the eyelash palm pitviper, Bothriechis schlegelii (Serpentes, Viperidae). Herpetozoa, 37: 305-318 - get paper here
 
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