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Hypsiscopus indonesiensis HAMIDY, ZAKKY, FITRIYANA & ENDARWIN, 2023

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Higher TaxaHomalopsidae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Lake Towuti Paddle-tailed water snake 
SynonymHypsiscopus indonesiensis HAMIDY, ZAKKY, FITRIYANA & ENDARWIN 2023
Hypsiscopus sp. — BERNSTEIN et al., 2021: 2 
DistributionIndonesia (South Sulawesi)

Type locality: Lengkona Bay, Towuti Lake, South Sulawesi  
Reproduction 
TypesHolotype: MZB Oph 3561 (male) collected by Bhakti Nugraha on 20th April 2003.
Paratypes: (n=5) MZB Oph 3560 (female) collected on 20th April 2003 from Lengkona Bay, Towuti Lake, South Sulawesi; MZB Oph 3558 (female) collected on 20th April 2003 from Lengkona Bay, Towuti Lake, South Sulawesi; MZB Oph 3557 (female) collected on 21th April 2003 from Tominanga Bay, Towuti Lake, South Sulawesi; MZB Oph 3559 (female) collected on 21th April 2003 from Bakara Gulf, Towuti Lake, South Sulawesi. All these specimens were collected by Bhakti Nugraha. MZB Oph 6350 (male) collected in 18th October 2019 by Ayu S. Nurinsiyah and Ristiyanti M. Marwoto from Hola-hola, Towuti Lake, South Sulawesi Province (02°48’13.33” S 121°27’33.38” E, with elevation 321 above sea level). 
DiagnosisDiagnosis: The new species is assigned to the genus Hypsiscopus based on possession of several morphological characters, small body size (SVL <700 mm), internasal(s) do not contact loreal, upper labials 2–3 or 2–4 usually contact with loreal, lower labials 1–5 usually contact the anterior chin shields, relatively short tails (10–17 % of SVL) (Murphy & Voris, 2014) and molecularly nested in the genus Hypsiscopus (Bernstein et al., 2021; Fukuyama et al., 2022). Hypsiscopus indonesiensis sp. nov. is diagnosable from all congeners by having laterally compressed tail, high number of scale rows (24–25 in the neck, 25–27 in the mid body, 20–22 in near the vent), high number of ventral scales (152–159), blotched pattern on the dorsum and mottled pattern on the ventrum. (Hamidy et al. 2023)


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Comment 
EtymologyNamed after the type locality. 
References
  • Hamidy, A., Zakky, Q., Fitriyana, N., & Endarwin, W. 2023. A NEW SPECIES OF WATER SNAKE GENUS HYPSISCOPUS (SERPENTES: HOMALOPSIDAE) FROM SULAWESI, INDONESIA. TREUBIA 50(1): 21-38 - get paper here
 
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