Takydromus sexlineatus Daudin, 1802

Luong, Anh Mai, Phan, Tien Quang, Nguyen, Truong Quang, Tran, Tung Thanh, Ngo, Hien Thu Thi, van Schingen-Khan, Mona, Ziegler, Thomas & Pham, Cuong The, 2025, New records and an updated checklist of the herpetofauna from Tay Yen Tu Nature Reserve, north-eastern Vietnam, Biodiversity Data Journal 13, pp. e 157862-e 157862 : e157862-

Takydromus sexlineatus Daudin, 1802

Materials

Type status: Other material. Occurrence: catalogNumber: IB 3664 ; individualCount: 1; sex: female; lifeStage: adult; occurrenceID: 5700017B-A9B8-5A6C-BB46-5D3C4C4AC4F0; Taxon: scientificNameID: Takydromus sexlineatus ; scientificName: Takydromus sexlineatus ; class: Reptile; order: Squamata ; family: Lacertidae ; genus: Takydromus ; specificEpithet: sexlineatus ; scientificNameAuthorship: Daudin, 1802; Location: country: Vietnam; countryCode: VN; stateProvince: Bac Giang; locality: Tay Yen Tu NR ; verbatimElevation: 265 m; verbatimLatitude: 21°10.940’N; verbatimLongitude: 106°42.725’E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 2 July 2015; eventRemarks: collected by Pham C. T.; Record Level: language: en; collectionCode: Reptile; basisOfRecord: PreservedSpecimen

Description

Morphological characters of the specimen from Tay Yen Tu NR agreed well with descriptions of Taylor (1963), Ziegler et al. (1999) and Nguyen et al. (2018). Body slender with an extra-long tail (SVL 52.2 mm, TaL 38.5 mm, tail loss); head longer than wide; horizontal diameter of orbit longer than distance from anterior corner of orbit to nostril; supralabials 7 / 7; infralabials 5 / 5; tympanum exposed, horizontal diameter (1.8 mm) less than that of the orbit; chin shields in three pairs; dorsal scales enlarged and keeled in six rows at mid-body, without a non-contiguous vertebral row of smaller scales; ventral scales widened, in six rows at mid-body; lateral scales in 12 rows at mid-body on each sides, smaller in size than dorsal and ventral scales; femoral pores four on each side; subdigital lamellae broadened. Colouration in life: Dorsal surface of head and body brown with some small black spots; upper part of flanks black with numerous yellowish spots, lower part of flanks light brown-green; dorsal surface of limbs and tail base with black spots; ventral surface whitish-cream (Fig. 5 ).

Distribution

In Vietnam, this species has been recorded from Lao Cai and Ha Giang Provinces in the north southwards to Tay Ninh and Binh Duong Provinces ( Nguyen et al. 2009, Uetz et al. 2025). Elsewhere, this species has been recorded from Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar and Thailand ( Nguyen et al. 2009, Uetz et al. 2025).

Ecology

The specimen was found at 19: 30 h, on the forest path. The surrounding habitat was mixed secondary evergreen forest of medium and small hardwoods with bamboo, shrubs and arrowroot. Air temperatures at the sites ranged from 26.3 ° C to 33.8 ° C and relative humidity ranged from 65 % to 84 %.

Figures

Figure 5. Takydromus sexlineatus (female, IB 3664).