is my BD big enough for butterworms im not sure how old he is older then 7 months cuz thats how long ive had him got um as a baby a head to vent 2 1/2 inches 4 1/2 to the tailand now is about 12 1/2 -13 inches about 7 inches head to vent also when are super worms ok i heard when there about 15 inches