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…
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…
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…
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…
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…
Smooth Slug Snake, Asthenodipsas laevis (BOIE, 1827) – of Sarawak/Borneo – around 1020m ASL. Asthenodipsas laevis (Boie, 1827) is a small, slender pareid snake (Pareidae) endemic to Sundaland and adjacent mainland margins; within Asthenodipsas it belongs to the A. malaccana…
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Sarawak / Borneo – around 900m ASL This specimen could be the same individual that I found near the location a few weeks ago. Several distinctive characteristics suggest that…
Borneo red snake or Stolickza’s stream snake, Paraxenodermus borneensis (BOULENGER, 1899) – of Sarawak/Borneo – around 1120m ASL. Paraxenodermus borneensis (Xenodermidae) is a rare, Borneo-endemic snake, originally described as Stoliczkaia borneensis (Boulenger, 1899) and reassigned in 2021—based on morphological and…
Calliophis intestinalis (thepassi?) (LAURENTI, 1768) of Sarawak/Borneo around 1050m ASL. Calliophis intestinalis is a highly venomous elapid from Southeast Asia (e.g., Malay Peninsula, Sumatra, Borneo, Java), mainly nocturnal and partly leaf-litter/ground-dwelling. When threatened it flips to expose its strongly banded…
Asian vine snake – Ahaetulla prasina (Boie, 1827) from Sarawak/Borneo – around 900m ASL Ahaetulla prasina (Colubridae: Ahaetuliinae) is an arboreal, diurnal, opisthoglyphous vine snake that on Borneo is documented from Brunei, East Malaysia (Sabah, Sarawak), and Indonesian Kalimantan; its…