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Introduction

A guide to brumation temperatures and lengths of time required for Asiatic & European Ratsnake species.



ASIATIC RATSNAKE BRUMATION TEMPERATURES      

Genus

sp. / spp.

Brumation Temp.

Cooling Temp.

Not Required

Length of Time

           
Coelognathus          
  erythrurus     No *  
  helena helena 59F (15C) (Northern specimens)   No * 2-3 months
  radiatus     No *  
  flavolineatus   68 F (20C)   2 months
Elaphe          
  anomala 47-54 F (8-12C)     3-4 months
  bimaculata 50-59 F (10-15C)     2-3 months
  carinata 47-59 F (8-15C)     3-4 months
  climacophora 47-57 F (8-14C)     3-4 months
  dione 47-59 F (8-15C)     2-4 months
  quadrivigata 47-57 F (8-14C)     2-4 months
  schrencki 47-54 F (8-12C)     3-4 months
Euprepiophis          
  mandarinus 47-54 F (8-12C)     2-4 months
  conspicillatus 50-59 F (10-15C)     2-4 months
Gonyosoma          
  janseni        
  oxycephalum        
Orthriophis          
  moellendorffi 54-62 F (12-17C)     2-3 months
  taeniurus taeniurus 50-59 F (10-15C)      
  taeniurus friesi 50-59 F (10-15C)     2-4 months
  taeniurus grabowskyi   68 F (20C)   2-3 months
  taeniurus ridleyi   68 F (20C)   2-3 months
  taeniurus schmackeri 50-59 F (10-15C)      
  taeniurus ssp. 50-59 F (10-15C)     2-4 months
  taeniurus yunnanensis 50-59 F (10-15C) 68 F (20C)   2-3 months
Oreocryptophis          
  porphyraceus coxi 47-55 F (8-13C) 55-60 F (13-17C)   3-4 months
  porphyraceus laticincta        
  porphyraceus pulchra        
  porphyraceus vaillanti   55-60 F (13-17C)   3-4 months
           
 Rhadinophis  frenatum   63-68F (17-20C)   1-3 months
  prasinum   63-68F (17-20C)   1-3 months
           
EUROPEAN RATSNAKE BRUMATION TEMPERATURES      

Genus

sp. / spp.

Brumation Temp.

Cooling Temp.

Not Required

Length of Time

           
Elaphe          
  quatuorlineata 47-54 F (8-12C)     3-4 months
  sauramates 47-54 F (8-12C)     3-4 months
           
Rhinechis          
  scalaris 47-50 F (8-10C)     2-3 months
Zamenis          
  hohenackeri 47-50 F (8-10C)     3-4 months
  longissimus 46-54 F (8-12C)     3-4 months
  persicus 46-59 F (8-15C)     2-3 months
  situla 47-50 F (8-10C)     2-3 months
           

* Reducing illumination in the vivarium by 2-4 hours for 2-3 months is benefical.


Refrences:
1. Non Venomous Snakes, Ludwig Trutnau
2. boa-constrictor.at/INFO-POOL/2_Tierhaltungsverordnung_Anlage_3.pdf
3. A Monograph of the colubrid Snakes ofthe Genus Elaphe FITZINGER by Klaus-Dieter Schultz. 1996
4. The Snakes of Thailand and their Husbandry by Merel J. Cox{/akeebasubs}
This site has information on the following genera of Ratsnakes ... Spilotes, Spalerosophis, Ptyas, Zamenis, Elaphe, Rhinechis, Senticolis, Pseudelaphe, Pantherophis, Bogertophis, Orthriophis, Gonyosoma, Oreocryptophis, Oocatochus, Euprepiophis, Coelognathus, Archelaphe