[6][7] In S. boeleni adults, the upperside color pattern is dark bluish-black or purplish-black, and the anterior part of the underside is white to pale yellow.

Ontogenetic color change begins as the juvenile snake approaches 1 m (39 in) in length, usually around 2 years of age.

[8] The unmistakable and famed Boelen's python receives the highest legal protection possible in Papua New Guinea.

[citation needed] The diet of S. boeleni consists of small mammals, ground-nesting birds,[1] and lizards.

[citation needed] S. boeleni is considered to be highly desirable by private keepers due to its beauty, but is also exceptionally rare in collections.

[10] Although captive-born snakes are fairly hardy in captivity,[11] wild-caught individuals are considerably more difficult to keep successfully.