- If there is no fish in the water you will receive the message Sorry, not possible. This only applies to water that is always unfishable. Does not work on a square where a fish has been caught.
- An easy way to tell when you have caught a fish is to watch the amount of worms you have.
- You cannot catch fish while fishing from a Protection Zone.
- Your fishing skill will only rise if there is a fish in the square you are fishing in. This is a good way to check is a fish in the square.
Source: https://tibia.fandom.com/wiki/Fishing