An observation of ovoviviparity in the Baleh Water Skink, Tropidophorus sebi Pui, et al., 2017

Awang Khairul, Ikhwan and Yong, Min Pui and Indraneil, Das (2022) An observation of ovoviviparity in the Baleh Water Skink, Tropidophorus sebi Pui, et al., 2017. Herpetology Notes, 15. pp. 733-734. ISSN 2071-5773

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Abstract

Tropidophorus sebi is a semi-aquatic skink, known to be restricted to Putai in the Upper Baleh region of Kapit District, central Sarawak, East Malaysia, on the island of Borneo (1.5946°N, 113.7898°E; datum WGS84; Pui et al., 2017). The only known aspect of its life history is that it inhabits rocky streams. On 16 April 2020, at 19:44 h, a gravid T. sebi (snout–vent length, SVL = 91.5 mm; tail tip missing) was collected from within a rock crevice 17 cm deep, at the edge of a small rocky stream (1–4 m wide, 15–40 cm deep), in a hill dipterocarp forest. A visual inspection of its venter revealed two late-stage embryos and it weighed 16 g (Fig. 1). The individual was fitted with a BD–2T transmitter (Holohil Limited Systems, Canada) and observed for 8 days (18–26 April 2021), as part of a larger study of the spatial ecology and thermoregulation in this species.

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