Geophagus Rio Tocantins Jul 5, 2014 9:24:06 GMT -4 via mobile Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by dritter on Jul 5, 2014 9:24:06 GMT -4 I have 2 pair of Rio Tocantins for sale. The fish are 6" long and both females have spawned. $40.00 for the 2 pair.