 Adults average 125 – 155 cm ( 4 to 5 feet ) in total length ( body + tail ) with a maximum total length of 205 cm ( 81 in ) for a specimen collected in Sierra Leone . The sexes may be distinguished by the length of the teeth in relation to the total length of the body : approximately 12 % for males and 6 % for females . Adults , especially females , are very heavy and stout . One female had the following dimensions : 
