Cold tolerance and altitudinal distribution of Takydromus lizards in Taiwan

Shu Ping Huang, Ming Chung Tu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


We investigated whether cold tolerance was an important limiting factor in the current altitudinal distributions of two Takydromus lizards, T. formosanus (< 1500 m in altitude) and the lowland-dwelling T. stejnegeri (< 1000 m in altitude) in Taiwan. We measured their critical thermal minimum (CTMin) and 3 mo survival rates in 4 cold treatments, and compared these with a high-mountainous species, T. hsuehshanensis (> 1800 m in altitude). The results indicated that (1) both the CTMin and prolonged cold tolerance were correlated to their upper limit of altitudinal distributions as predicted and (2) T. formosanus and T. stejnegeri had reasonable survival rates at temperatures that were lower than the underground temperature of high altitudinal areas. We concluded that although cold tolerance was correlated with altitudinal distribution, it is not a crucial factor limiting T. formosanus and T. stejnegeri at higher altitudes.

Original languageEnglish
Pages (from-to)438-444
Number of pages7
JournalZoological Studies
Issue number4
Publication statusPublished - 2008 Jul


  • CTMin
  • Distribution
  • Ectotherms
  • Mountain
  • Temperature

ASJC Scopus subject areas

  • Animal Science and Zoology


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