[4] Pseudoboa neuwiedii is found on the mainland of South America from Colombia to The Guianas, and in Brazil along the Amazon River,[5] as well as in Grenada,[6] and Trinidad and Tobago.

[4] The specific name, neuwiedii, is in honor of German naturalist Prince Maximilian of Wied-Neuwied.

[7] Pseudoboa neuwiedii grows to a maximum total length (including tail) of 1 m (39 in).

[4] Dorsally, it is reddish brown, either uniform or with some scattered small black spots.

Individuals have been reported to consume snakes as large as or larger than they themselves are.