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Wildlife: Snake - Water Snake

 

Water Snake – Tretanorhinus variabilis lewisi; (Grand Cayman)

 
Water Snake - Tretanorhinus variabilis
 

Size: 600 mm SVL* This is a slim-bodied snake with very small eyes. Generally the body is a dark olive-brown, the underside is gray to black with sparsely scattered cream coloured patches. North Side specimens are paler overall. They can be found buried in the bottoms of fresh, brackish or saline ponds, but need oxygen and are sometimes seen swimming along the surface. They forage underwater and feed mostly on fish. Because it is somewhat tolerant of salt water, this species may have emigrated here long ago on flotsam during storms. Interestingly, this snake does not occur on the Sister Islands. Perhaps the larger size of Grand Cayman offered this snake a better opportunity to become established and provided a more reliable food source.

 
* Key:
SVL Snout to Vent Length
TL

Total Length (including tail)

   
 
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