im a new member here ive been keeping a female motoro for about a year now she is roghly 10" she is housed in a 250 gallon tank 96"x30"x24" i recently purchased a male marbled motor for now he is in a 180 with a 180 gallon sump he is only 4" once i put some size on him he will go with my female anyway i am looking to set up another ray tank and have the opputunity to get a 48" long by 48" wide by 24" tall tank i know most people say 72" minimum for rays but will the added width help out any? looking for some opinions if this would make a good ray tank