bahamian...i so happen own both breeds and am 18yrs plus into the fila brasileiro breed and now owning my 1st co...there is a great deal of similarity yet difference...by no means am i a co expert but nontheless im exceptionally experienced which the co was my 1st candidate to live with but oppostions lead me astray and i chose the fila and never have i regretted this choice...now a co is in my life its a pup/dog consider all options which best suit ur purpose...regardless to breed standard a dog is a dog is a dog and tho these 2(two) breeds are unlike any other i ever have experienced beware what u read and i warn/caution u of trusting...individuality being the key :wink: im willing to assist/guide u as much as i can with rational discretion...by no means am i a know-it-all but my education alongside hands-on-experience is grattifying leaving allll options open for growth...feel free connect with me... 8)