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Kikuchi Habu
Plate 1 of 2. (c) kenbehrens, some rights reserved (CC BY-NC) · via iNaturalist

Kikuchi Habu

Trimeresurus gracilis

Trimeresurus gracilis, commonly known as the Taiwan pit viper or Taiwan mountain pitviper, is a venomous pit viper species endemic to Taiwan. No subspecies are currently recognized. The species is known as kikushi habu in Japanese.

Continue reading on Wikipedia

From the article Trimeresurus gracilis on Wikipedia (CC BY-SA), quoted section by section

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Description

Trimeresurus gracilis is a small snake with a total length up to 60 cm (24 in). Scalation includes 19 (or 21) rows of dorsal scales at midbody, 144–149 ventral scales, 43–53 subcaudal scales, and 7–8 supralabial scales.

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Range & habitat

It is found only in Taiwan, above 2,000 m (6,600 ft) above sea level. The type locality given is "Mt. Noko, Nanto". According to Zhao and Adler (1993), this would be "Mt. Nôkô, Nanto Co., central Formosa" (Mount Nengkaoshan, Nantou County, Taiwan). In a study were results that negated a commonly believed inference relating to the close affinity of T. monticola and T. okinawensis, and also suggested a sister relationship between T. okinawensis and T. gracilis. Phylogenetic relationships revealed in this study suggested that the genus Trimeresurus dispersed into the Ryukyu region at least three times, and that T. flavoviridis and T. tularensis from the central Ryukyus used to be more widespread and diverse in the past in surrounding regions.

Wikipedia: “Geographic range”

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Trimeresurus gracilis in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 30966.