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). |
| 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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