IUCN treats these as full species, respectively Trimeresurus barati,[5]Trimeresurus buniana,[6]Trimeresurus fucatus,[7] and Trimeresurus toba,[8] restricting Trimeresurus sabahi to the nominotypical subspecies.[1]
Dorsally, it is uniform green, without crossbars. Ventrally it is pale green. There is narrow bicolor stripe on the first one and a half dorsal scale rows. In males this stripe is rust-colored or red below, and it is white above. In females it is yellow or white. The iris of the eye is red or orange in adults of both sexes, but in young specimens may be yellowish-green. There are no markings behind the eye.[9]
In Borneo, it inhabits mountainous regions at altitudes from 1,000 m (3,300 ft) to 1,150 m (3,770 ft), where it is commonly found on branches of shrubs and other low vegetation.[9]
Reproduction
The reproductive biology of this species is unknown.[9]
^McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN1-893777-00-6 (series). ISBN1-893777-01-4 (volume).
^ abcdDas, Indraneil. A Photographic Guide to Snakes and Other Reptiles of Borneo. Ralph Curtis Books. Sanibel Island, Florida. 144 pp. ISBN0-88359-061-1. (Popeia sabahi, p. 56.)
Further reading
Regenass, Urs; Kramer, Eugen. 1981. Zur Systematik der grünen Grubenottern der Gattung Trimeresurus (Serpentes, Crotalidae). Rev. Suisse de Zoolo. 88 (1): 163–205.
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