12th February 2026
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Kalimantan Barat / Borneo – around 700m ASL
Category: reptilia
10th February 2026
Sumatran pitviper, Trimeresurus sumatranus (Raffles, 1822), Sarawak / Borneo 1100m ASL Borneo populations of Trimeresurus sumatranus are documented from Kalimantan and the Malaysian states of Sabah and Sarawak; the species is also recorded from Sumatra and parts of Peninsular Malaysia…
2nd December 2025
White-bellied Rat Snake, Ptyas fusca (Günther, 1858) of Sarawak / Borneo around 1100m ASL. Ptyas fusca (Günther, 1858) is a species of colubrid snake (Colubridae) that was originally described as Coryphodon fuscus; Borneo is given as the type locality. In…
1st December 2025
Common mock viper, Psammodynastes pulverulentus (F. Boie, 1827) of south Sarawak / Borneo around 1000m ASL. Psammodynastes pulverulentus (Boie, 1827) is a rear-fanged snake from the superfamily Elapoidea, widespread in South and Southeast Asia; based on phylogenomic data, the genus…
1st December 2025
Juvenile Kuhl’s flying gecko or the common flying gecko – Gekko kuhli (Stejneger, 1902) of Sarawak / Borneo around 250m ASL. Gekko kuhli (Stejneger, 1902) is a species of gecko (family Gekkonidae). In the literature, it has appeared as Ptychozoon kuhli…
28th November 2025
White-spotted cat snake, Boiga drapiezii (H. Boie in F. Boie, 1827) of south-Sarawak / Borneo highland around 1050m ASL. Boiga drapiezii (H. Boie in F. Boie, 1827) is an opisthoglyphous (rear-fanged), egg-laying snake from the Colubridae family; its type locality…
27th November 2025
Asian vine snake, Ahaetulla prasina (Boie, 1827) from Sarawak/Borneo – around 1050m ASL Ahaetulla prasina (Boie, 1827) is a rear-fanged snake from the Colubridae family and is widespread throughout much of Southeast Asia; in Borneo, it has been documented in…
26th November 2025
Striped bronzeback, Dendrelaphis caudolineatus (Günther, 1858) of Sabah / Borneo around 200m ASL. Dendrelaphis caudolineatus (Gray, 1834) is a snake from the Colubridae family; the species is listed in the Ahaetuliinae subfamily. It is widespread in Southeast Asia; it is…
9th September 2025
Asian water monitor – Varanus salvator (Laurenti, 1768) of Sabah / Borneo. Varanus salvator is a large semi aquatic monitor lizard native to South and Southeast Asia where it frequents rivers wetlands mangroves and even urban waterways and is among…
9th September 2025
Saltwater crocodile – Crocodylus porosus Schneider, 1801 of Borneo – around 80m ASL Crocodylus porosus Schneider 1801, the saltwater crocodile, is the largest living reptile, with exceptional males approaching seven metres and about 1200kg while most adults are smaller; it…