Tree boa
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While there are numerous arboreal boas, Tree boa most oftens refers to the genus Corallus. This genus contains eight species, though taxonomic re-arrangements are common. All species are long, slightly laterally flattened, with thin bodies and large heads. They typically have large eyes (though this is less pronounced in large species like the Emerald tree boa, Corallus caninus), boxy heads, and highly elongated anterior teeth, which are often several times the length one would expect for a snake of their size. These huge teeth can penetrate layers of feathers to get a firm grip on birds, their primary prey. All members of the genus are highly nocturnal, and have large numbers of very pronounced heat-sensing pits along their lips.
Two species are frequently imported as display animals, the Amazon tree boa (Corallus hortulanus) and the Emerald tree boa (Corallus caninus). Pet is not a term one would apply to these species, as most, if not all, have a highly aggressive demeanor, and will strike readily. Their stunning coloration makes them popular, but their specialized habitat and feeding make them suitable only for advanced keepers.
External link
Corallus.com (http://www.corallus.com/)