Snail And Fish Farming

HI.
I AM RESIDENT IN IJEBU-ODE.I WANT TO INVEST IN SNAIL AND FISH REARING AT LEAST ON A SMALL SCALE BASIS FOR START.
CAN ANYONE GIVE ME DETAIL ON WHAT THE BUSSINESS ENTAILS.AND I WILL LIKE IF I COULD GET INTOUCH WITH ANYONE HERE IN IJEBU-ODE.
AND ALSO WHERE CAN I BUY THE SNAIL PENS? HOW MUCH DO THEY COST?
WHERE CAN I BUY THE SNAILS?HOW MUCH ARE THEY?
PLEASE REPLY.