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Dog-toothed Cat Snake
   
   

Family : COLUBRIDAE
Species : Boiga cynodon
Maximum Size : 2.8 metres

The Dog-toothed Cat Snake inhabits lowland forests, particularly forest edge, and has adapted well to secondary, disturbed or open habitats. It is both terrestrial and arboreal.

The body is orange-brown to yellowish-brown,  with white-edged irregular dark bars which extend from the neck to the tip of the tail. The bars on the tail are more closely spaced than those on the body. An identifying feature is the thick dark stripe behind the eye.

Tweedie (1957) reports the presence of specimens from Peninsular Malaysia which possess extensive dark mottling, such that the snake appears to be almost black throughout.

As is typical with the Boiga genus, the head is distinct from the neck, and the body is compressed laterally. The snout is rounded and the eyes large with a vertical pupil.

This snake reportedly feeds on lizards, small birds and their eggs, and small mammals.  It is considered as mildly venomous.

The species is widespread in the region, occurring in Southern Thailand, Peninsular Malaysia, Singapore, Philippines, Sumatra, Borneo, Java and island groups further east in Indonesia including Bali and Nusa Tenggara.


Figs 1 and 2 : Two specimens from Pulau Ubin, Singapore, in an area of heavily disturbed, non-forest habitat. Photos thanks to Noel Thomas.

Fig 3 : Specimen resting in riverine vegetation lining a tributary of the Kinabatangan River, Sabah, Borneo.


References : H12, H14

 

Fig 1
 
ゥ  Noel Thomas
 
Fig 2
  
ゥ  Noel Thomas
 
Fig 3