Atractus nawa MELO-SAMPAIO, PASSOS, PRUDENTE, VENEGAS & TORRES-CARVAJAL, 2021
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Atractus nawa
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| Higher Taxa | Colubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Atractus nawa MELO-SAMPAIO, PASSOS, PRUDENTE, VENEGAS & TORRES-CARVAJAL 2021: 726 Atractus major – AVILA-PIRES et al. 2009 Atractus schach – PASSOS & FERNANDES 2008 (partim) Atractus schach – PRUDENTE & PASSOS 2008 (partim) |
| Distribution | Brazil (Acre) Type locality: Brazil, Acre, Porto Walter (8.258°S, 72.776°W), 212 m elevation. |
| Reproduction | |
| Types | Holotype: MPEG 20376 (field number LJV 6299), adult female from , col- lected by L.J. Vitt, T.C.S. Avila-Pires, J.P. Caldwell, and V. Oliveira on 28 February 1996 (Figure 7 in Melo-Sampaio e al. 2021). Paratype: UFACF 3771, adult female from Brazil, Acre, Cruzeiro do Sul, km 80 of the BR-364 highway on the route to Tarauacá (7.750°S, 72.366°W), 200 m asl, collected by R.A. Machado on February 2010. |
| Diagnosis | Diagnosis: Atractus nawa can be distinguished from all congeners by unique combination of the following characters: (1) smooth dorsal scale rows 17/17/17; (2) postoculars two; (3) loreal moderately long; (4) temporal formula 1+2; (5) supralabials seven, third and fourth contacting eye; (6) infralabials seven, first four contacting chinshields; (7) maxillary teeth seven; (8) gular scale rows four; (9) preventrals four; (10) ventrals 166–169 in females, unknown in males; (11) subcaudals 16–20 in females, unknown in males; (12) in preservative, dorsum Brussels brown [color 33] with Raw umber spots; (13) in preservative, venter predominantly pale cinnamon with warm sepia dots near cloaca and mid-ventral portion of tail; (14) body size moderately long in females (maximum 405 mm SVL); and (15) tail short in females (6.2–7.7% of SVL); (16) hemipenis unknown (Melo-Sampaio et al. 2021). Unfortunately 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 2035 characters) are available for collaborators and contributors. Please contact us for details. |
| Comment | |
| Etymology | The specific epithet “nawa” corresponds to the self-designation or to an indicator of otherness (other people) of many Pano-speaking societies living along Juruá River basin (Montagner, 2007). The word also refers to the distinction of the new species from its congeners by indigenous people on the region. |
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