You should know the old saying "Give a man, a fish and he eats for a day. Teach a man to fish and he'll eat for life". Well the same is true with the RPG fishing, however these fish will also give you stamina.
As of May 2021, there are six types of fish you can catch with the command [nya!rpg fish].
These fish are :
As of May 2021, you are now able to buy Raw Fish, Cooked Fish, Raw Carp, Cooked Carp, Raw Mackerel, and Cooked Mackerel from the RPG shop under the Food icon. You are unable to buy Raw Prawn or Raw Oysters from the shop, right now.
You can also get the message that you have caught nothing.