Fishing

Fishing is an activity that can be done if you throw a fishing rod into a liquid (water, lava or honey) and have bait in the player's inventory. By pressing the button, Use/The attack rod will throw out a fishing line with a float at the end, which functions only if it is in liquids. By pressing this button again, the float will return to the player and if he pecked, then the player will catch the object with him. NPC RybakRybak gives tasks every day to catch a certain fish and gives a reward if the player brings this fish to him.

Fishing provides a wide range of game resources: materials for potions and food, various useful items by type of accessories like Frog paws, Frog paws or Air blowfish, and even pets (Marshmallow fish, marshmallow fish). Some fish can be used as tools or weapons. Through crates, fishing provides alternative methods of mining ores, coins, many items from chests and some exclusive items like Falcons

Requirements

Fishing requires a minimum of 75 connected blocks of liquid (1001 for Ocean, 50 for honey) and 300 or more blocks for optimal fishing (1001 for Ocean, 200 for honey). When calculating the size of a reservoir, only blocks of liquid on the surface and how deep they go into the depths are taken into account. If the reservoir becomes wider at depth, then such blocks of liquid are not considered. The player can safely fish in a pond 1 block wide and 75 blocks deep. The distance from the float to the shore does not affect fishing in any way.

It is also possible to fish if the player is partially immersed in liquid while his hands are above the float.

Also, while fishing, you can move, fly, hang on a hook, sit on a chair, swim on a sled or standing on the surface of the water, for example, using walking boots on the water.

It is possible to fish in lava, but only if the player uses a fire rod, a fire rod, a lava-resistant fishing tackle, a lava-resistant hook

Tasks

To catch fish for a fisherman, it is required to catch it in a certain biome and at a certain height. The fisherman gives certain rewards if you give him the right fish before the time runs out. The quest fish cannot be caught again if it is already in the player's inventory, if the fish has already been given to the player, or if the Fisherman is not alive. But if the player removes the quest fish from the inventory (for example, puts it in storage), then the same fish can be caught again. This trick can be used to catch a lot of one type of fish at once and then give it to the Fisherman gradually, without having to go fishing. The fisherman changes the task every day at 4:30 a.m. Despite the fact that there is no way to find out on what day which fish should be brought, the player does not need to talk to the Fisherman to catch it and hand it over.
P.S
I know you can also find all this information on the terraria wiki, but maybe this guide will be useful to someone.I hope I helped you a lot)