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Cyrtodactylus gonjong NUGRAHA, AHDA, TJONG, KURNIAWAN, RIYANTO, FAUZI & LIN, 2023

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Gonjong Bent-toed Gecko
Indonesian: Cicak Jari Lengkung Gonjong 
SynonymCyrtodactylus gonjong NUGRAHA, AHDA, TJONG, KURNIAWAN, RIYANTO, FAUZI & LIN 2023 
DistributionIndonesia (Sumatra Barat)

Type locality: Langkuik Tamiang waterfall (0°26'0.7404"S, 100°16'44.5404"E), Nagari (Village) Malalak Selatan, Kecamatan (District) Malalak, Kabupaten (Regency) Agam, Sumatra Barat Province, Indonesia  
Reproduction 
TypesHolotype. UNP193 (Fig. 3) adult female, collected on 22 July 2022 by Fitra Arya Dwi Nugraha (FADN), Yunico Amardi (YA) and Mahesa Rafi. Paratypes (Fig. 4). One adult male (UNP045) collected from Anai Dempoland tourism object (0°29'46.8312"S, 100°20'7.638"E), village Kayu Tanam, district 2×11 Kayu Tanam, regency Padang Pariaman, Sumatra Barat Province on 3 June 2020 by FADN and YA. Two adult males (UNP052, UNP053) collected from village Sungai Barameh (1°1'54.71"S, 100°24'43.69"E), district Padang Selatan, Padang city, Sumatra Barat Province on 31 January 2021 by FADN and YA. One adult male (UNP060) collected from matra Barat Province, Indonesia, on 22 July 2022 by Fitra Arya Dwi Nugraha (FADN), Yunico Amardi (YA) and Mahesa Rafi. Paratypes (Fig. 4). One adult male (UNP045) collected from Anai Dempoland tourism object (0°29'46.8312"S, 100°20'7.638"E), village Kayu Tanam, district 2×11 Kayu Tanam, regency Padang Pariaman, Sumatra Barat Province on 3 June 2020 by FADN and YA. Two adult males (UNP052, UNP053) collected from village Sungai Barameh (1°1'54.71"S, 100°24'43.69"E), district Padang Selatan, Padang city, Sumatra Barat Province on 31 January 2021 by FADN and YA. One adult male (UNP060) collected from Sirah (0°24'8.8128"S, 100°8'37.6728"E), district Sungai Geringging, regency Padang Pariaman, Sumatra Barat Province on 7 June 2022 by FADN and YA. One juvenile (UNP194), same data as holotype. Three adult males (UNP196, UNP199, UNP203) collected from village Koto Malintang (0°17'56.3748"S, 100°7'42.5064"E), district Tanjung Raya, regency Agam, Sumatra Barat Province. 
DiagnosisDiagnosis. Cyrtodactylus gonjong sp. nov. is assigned to the C. agamensis group on the basis of its recovered phylogenetic position (Fig. 2). This species can be differentiated from all congeners within the C. agamensis group by having the following combination of characters: (1) a medium-sized Cyrtodactylus, 54.1–77.7 mm in adult males, 65.1–76.7 mm in adult females; (2) 10–13 enlarged supralabial and 9–13 enlarged infralabial scales; (3) 3–5 internasal scales; (4) antebrachium tuberculated, brachium not tuberculated; (5) 32–41 paravertebral tubercles; (6) 16–19 longitudinal rows of dorsum tubercles; (7) 38–46 ventral scales; (8) 22–24 subdigital lamellae on the fourth toe; (9) 34–46 enlarged femoroprecloacal scales; (10) femoroprecloacal pores present in both sexes, 13–36 in adult males, 0–18 in adult females; (11) precloacal groove or depression present; (12) enlarged median subcaudals absent; (13) distinct ventrolateral folds; (14) subconical prominent tubercles on body that extend to the base of the tail; (15) 2–3 postcloacal tubercles; (16) two postocular stripes fused to a U-shaped mark on occiput; (17) postocular stripes extended beyond the arms; (18) 7–8 dark bands on trunk; (19) tail ringed by beige and black; and (20) labials yellow or dark with yellow/beige spots. (Nugraha et al 2023)


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Comment 
EtymologyThe specific ephitet gonjong is taken from the name of the roof style of the typical house in Sumatra Barat created by its ethnic people, called Minang. The house itself, called Rumah Gadang, and the unique style of the roof shape was inspired by the horn of buffalo, the most respected animal in Minang ethnology. The gonjong has become a symbol used by the Minang people to show their ethnic identity outside Sumatra Barat and now is used not only for the house but also for government buildings, restaurant buildings, hotels or other public venues. This name is given as an honour to the Minang people because they were helpful during our survey. 
References
  • Nugraha FAD, Ahda Y, Tjong DH, Kurniawan N, Riyanto A, Fauzi MA, Lin S-M 2023. Common but ignored: a new species of Cyrtodactylus (Chordata, Reptilia, Squamata, Gekkonidae) from lowland Sumatra Barat, Indonesia. ZooKeys 1169: 47–64 - get paper here
 
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