Kurixalus bisacculus ( Taylor 1962 )

Kurixalus bisacculus ( Taylor 1962) View in CoL

Materials

Type status: Other material. Occurrence: catalogNumber: IB A. 6405 ; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: A3A09104-3FD4-55DC-9790-B8628405BEFA; Taxon: scientificNameID: Kurixalus bisacculus ; scientificName: Kurixalus bisacculus ; class: Amphibia; order: Anura ; family: Racophoridae; genus: Kurixalus ; specificEpithet: bisacculus ; scientificNameAuthorship: ( Taylor, 1962); Location: country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang; municipality: Kim Bang; locality: Kim Bang SHCA ; verbatimElevation: 24 m; verbatimLatitude: 20 ° 45.637 ' N; verbatimLongitude: 105 ° 80.930 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 25 April 2025; eventRemarks: collected by Nguyen QT, Pham TC, Phan QT, and Pham VA; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: catalogNumber: IB A. 6406 ; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 6602AEDA-2AB4-5166-8E8F-F1F59D071601; Taxon: scientificNameID: Kurixalus bisacculus ; scientificName: Kurixalus bisacculus ; class: Amphibia; order: Anura ; family: Racophoridae; genus: Kurixalus ; specificEpithet: bisacculus ; scientificNameAuthorship: ( Taylor, 1962); Location: country: Vietnam; countryCode: VN; stateProvince: Ha Nam; county: Kim Bang; municipality: Kim Bang; locality: Kim Bang SHCA ; verbatimElevation: 24 m; verbatimLatitude: 20 ° 45.637 ' N; verbatimLongitude: 105 ° 80.930 ' E; verbatimCoordinateSystem: WGS 84; Event: eventDate: 25 April 2025; eventRemarks: collected by Nguyen QT, Pham TC, Phan QT, and Pham VA; Record Level: language: en; collectionCode: Amphibians; basisOfRecord: PreservedSpecimen

Description

Morphological characters of the specimens from Ha Nam Province agreed well with the descriptions of Taylor (1962): SVL 30.5–32.4 mm in males (n = 2); head longer than wide (HW 10.5–11.5 mm, HL 11.3–11.9 mm); snout pointed anteriorly, as long as the eye (RL 5.0 mm, ED 5.0– 5.3 mm); interorbital distance 1.2–1.4 times broader than upper eyelid (UEW 2.5–2.9 mm, IOD 3.5–3.7 mm); tympanum distinct, round, less than half eye diameter (TD 2.1–32.2 mm); vomerine teeth present; tongue notched posteriorly; external vocal sac present in males. Fore-limb slender (HAL 14.2–14.5 mm); fingers free of webbing, tips of fingers with enlarged discs; nuptial pad present in males. Hind-limb slender, tibia longer than thigh (TbL 16.0–17.0 mm; FL 14.0– 15.6 mm); toe tips expanded into discs; webbing present, webbing formula: I 1 / 2–1 II 0 – 1 1 / 2 III 0–1 IV 1 – 1 / 2 V; inner metatarsal tubercle present; tibio-tarsal articulation reaching the eye. Skin on head, eyelids and occiput, dorsum with scattered tubercles; dermal fringes along outer edges of forearm and tarsus present; chin granular, chest nearly smooth; venter and lower part of flank granular. Colouration in life: Dorsal surface of head and body light brown with green marking, occiput with a dark green marking in triangular shape; chin cream with dark spots; throat, chest, venter and underside of limbs cream (Fig. 16 View Figure 16 ).

Diagnosis

In Vietnam, this species is known from Lao Cai Province in the north, southwards to Quang Binh Province ( Yu et al. 2017, Frost 2025). Elsewhere, the species has been reported from Cambodia, China, Laos, Myanmar and Thailand ( Frost 2025).

Distribution

Specimens of Kurixalus bisacculus were found on a tree branch near a small stream between 19: 45 h and 20: 00 h. Males were recorded calling at the site. The surrounding habitat was a mixed secondary forest of small hardwood and shrubs.

Conservation

Conservation status. LC (Least Concern) ( IUCN 2025).