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…
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…
Scaly-eared Diminutive Leaf-Litter Skink – Tytthoscincus leproauricularis Karin, Das & Bauer, 2016 of Sarawak / Borneo – around 1280m ASL Tytthoscincus leproauricularis Karin, Das & Bauer, 2016 (Scincidae) is a very small leaf litter skink, so far only documented from…
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…
Sabah pit viper, Trimeresurus sabahi Regenass & Kramer, 1981 – of Sarawak / Borneo – around 1300m ASL Trimeresurus sabahi (Sabah pit viper) is a montane pit viper endemic to northern Borneo (Malaysia: Sabah, Sarawak), typically occurring in submontane to…
White-spotted cat snake, Boiga drapiezii (H. Boie in F. Boie, 1827) – of West-Sarawak/Borneo – around 1250m ASL Boiga drapiezii (white-spotted cat snake) is a slender, arboreal, rear-fanged colubrid distributed across maritime Southeast Asia, including Indonesia (Java, Sumatra, Borneo, Mentawai…
Bornean dark-necked slug snake, Asthenodipsas borneensis Quah, Grismer, Lim, Anuar, & Chan, 2020 – of Sarawak/Borneo – around 1020m ASL. Asthenodipsas borneensis is a snail eating snake (Pareidae) described in 2020 following a revision that separated Bornean populations from the…