Many factors come in to play, such as the age and size of the animal. A baby with underdeveloped lungs surely can't hold it's breath for as long as a matured specimen. Water temperature is also a factor.
It is not too out of the ordinary to observe a boa swimming underwater for several minutes at a time on just a leisurely swim, and they have been known to stay under for 20-30 minutes during mite infestations in an attempt to drown the parasites.
Snakes breath through the nostrils located in the head .
Long
the Boa Constrictor
it takes about 4-6 days for a boa constrictor to digest its prey.
Boa Constrictors can grow upto 13 ft. long
The boa constrictor is in a cage eating.
90 ft long
The BOA snake/constrictor is in the Grassland and the Rainforest
it is 4-16 feet but a the longest boa found is 18 feet.
56 years
Boa constrictor is a species of boa found in Central and South America.
It isn't. The Boa Constrictor isn't even endangered.