For instance, BCC Suriname Boa will get about this big

http://www.boa-constrictors.com/Bilder/BigBoa.jpg

BCI like your average petco Columbian will get about this big

http://members.aol.com/dnmaaa/1st/pict3.jpg


Also BCC tend to be a little more aggresive.


here is a good link

http://www.boa-constrictors.com/com/...imperator.html

http://www.boa-constrictors.com/com/...onstrictor.htm