Fishing



Fishing is an activity accomplished by using a Fishing Pole at a body of liquid (water, honey, or lava) while having bait in the player's inventory. While near the body of liquid, pressing the button on a point over the liquid will cast a line into the liquid. Pressing the button again when the bobber moves up and down will reel in the line and often an item will come up with the line. The Angler NPC provides daily fishing quests and rewards their completion with an assortment of equipment, coins, potions, and vanity items.

Fishing provides an assortment of game resources: Crafting materials for potions and food, a variety of very useful items such as the Reaver Shark, Rockfish, and Sawtooth Shark, which provide a pickaxe, hammer and chainsaw to last until Hardmode, mobility improvements such as a Frog Leg or Balloon Pufferfish, and even a pet Zephyr Fish. Through crates, fishing also provides an alternative source for ores, coins, many chest items (Sailfish Boots can replace Hermes or Flurry Boots) and some specialties such as the powerful Falcon Blade.

While fishing is not strictly necessary for game progression, some of the Angler's quest rewards (the Fish Finder components) are required to complete the Cell Phone. Fishing is also required to fight the boss Duke Fishron. To summon the boss, a Truffle Worm must be used as fishing bait in an Ocean biome.

For pre-Hardmode players, fishing can be a good way of getting money and equipment; by mid-Hardmode, it is less competitive with other money-making options, enemy drops, and advancing equipment.

Requirements


75 connected tiles of liquid are required (1,000 for Oceans, 50 for honey) in order for fishing to work. The width of the top row of continuous liquid tiles (the row where the fishing bobber sits) determines the calculated pond width, and then the depth directly below those is counted. If the pond becomes wider at lower depths, that additional width is not counted. The player may successfully fish in a 1 tile-wide pond, as long as it's 75 tiles deep. The distance of the bobber to the shoreline does not matter.

It is not possible to fish when the player is submerged in liquid, even partially, and even within a completely disconnected body of water. Fishing can, however, be done while moving, flying, while grappled to blocks, sitting on a chair, while floating on water with the Slime Mount, or while standing on top of the water, eg. using Water Walking Boots. Fishing can be done in Lava, but will only work with the Hotline Fishing Hook, a, or by using a , , or (which can be caught using a  or ). It can take much longer to get a bite in lava, but the chances are better with at least two of these sources.

Fishing quests
Catching a quest fish for the Angler NPC requires fishing in the proper biome and height for the day's current quest, which can be determined by talking to the Angler. Quest fish cannot be caught if the player already has that particular quest fish in their inventory, or if the quest fish was already turned in that day. However, if you put the Quest fish in your safe/bank then you may catch another Quest Fish. You can then transfer the Quest Fish to a chest if you wish. The Angler gives out special rewards when a proper quest fish is turned in. You don't need to speak with him beforehand, nor have even encountered him, but the chances of finding the correct area to fish for a quest are much lower without speaking to him first.

Factors
Given the prerequisites for fishing are fulfilled, some factors influence the quality/rarity of the caught item. There is a variety of relevant equipment: All the factors are combined into a total Fishing Power that determines the chances of higher-quality catches. Fishing Power is calculated by starting with adding these three basic factors: After the above three kinds of factors are added, bonuses (or penalties) are applied, as follows:
 * Seven accessories are useful. All but one are quest rewards from the Angler (The quest rewards are combined into just two, at the Tinkerer's Workshop.)
 * Three potions help with fishing, all of which can be crafted or received from the Angler.
 * Fishing Poles can be crafted, received as Angler rewards, bought from other NPCs or found in chests.
 * Bait comes from multiple sources: Captured Critters, Angler rewards, Crates, and even crafting.
 * Chum Buckets can be dropped by enemies spawned by Blood Moon fishing.
 * The Fishing Power of the Fishing Pole used.
 * The Bait Power of the Bait used.
 * Equipped items and Potions.
 * The time the player is fishing, as a multiplicative percentage applied to the previous factors.
 * The number of Chum Buckets used on the water's surface, as a flat bonus.
 * The size of the lake. Lakes with fewer than 300 tiles incur a Fishing Power penalty, as a multiplicative percentage applied to the previous factors.
 * When fishing without the High Test Fishing Line, or Angler Tackle Bag, there is always a 1 in 7 chance that the fishing line will break on reel-in, forfeiting the caught item. Chances of consuming bait remain the same even if the line breaks. With the High Test Fishing Line equipped, the line never breaks.

Amounts in the tables below that influence fishing power are marked or. Because some of the bonus factors are percentages, the fishing power amounts given by any of the three basic factors can seem to vary depending on e.g. time of day or weather. (For example, when fishing during rain, the Angler Earring can appear to provide more than just +10 Fishing Power.)

Hidden Factors
There are two factors which affect Fishing Power that are hidden from the player (e.g. they never affect the numbers displayed in the UI by the Fisherman's Pocket Guide or related accessories):
 * The first is Luck. If the player has bad (negative) Luck, there is a chance (determined once every catch attempt) that their Fishing Power will be reduced. Similarly, good (positive) Luck gives a chance of increasing their Fishing Power.
 * If a player has total Luck less than zero, then there is a (-100 * Luck)% chance per catch attempt that the player's Fishing Power will be reduced by to.
 * If a player total Luck greater than zero, then there is a (100 * Luck)% chance per catch attempt that the player's Fishing Power will be increased by to.
 * Actual fishing rewards are not influenced by Luck beyond fishing power.
 * Crates, Oysters, and other grab bags are not affected by Luck.
 * The second is Fishing Power Scaling. This mechanic reduces high Fishing Powers, such that increasing your Fishing Power past a certain limit has a decreasing effect. The following table shows the effects of Fishing Power Scaling on a player's Fishing Power. Each row represents a reduction equation that is applied to your fishing power if it is over a given threshold:
 * The first column indicates the threshold that your Fishing Power must be greater than in order for the reduction to apply.
 * The second column gives the reduction rate that is used - the amount of Fishing Power above the threshold is reduced by this percentage. (For example: Under the first rule, 65 Fishing Power becomes 50 + ((65 - 50 = 15) * 0.95 = 14) = 64 Fishing Power.)
 * The full equation for each rule is given in the third column.
 * The fourth column gives the equivalent minimum displayed Fishing Power to which the rule applies. That is, if your displayed Fishing Power is at least the value in the fourth column, then that rule applies to your FP.
 * Note that each of these reductions are applied sequentially - e.g. if your Fishing Power is displayed as 100, both of the first two reductions will be applied.

Fishing Poles
Fishing Poles are used with bait for fishing. Some are craftable, while others are either sold by NPCs, found in Chests, or are awarded by the Angler.

Bait
If the player has multiple bait items in their inventory, they are used in order from the top down, then left to right. Bait can be placed in ammo slots, and bait placed there will be used first / used last. To have the best results from fishing in lava, lavaproof bait should be placed before other bait.

Trout.png Fish
These items can be caught at any time. Most can serve as crafting material for Food (Cooked Fish) and other Potions. Some can also craft other item types. Jellyfish can be used as bait. Most can be sold to NPCs.

Slimefish.png Quest fish
Quest fish are items that can be caught only when their particular quest is active and serve no purpose other than acquiring quest rewards. You can determine the day's quest by speaking to the Angler NPC. There are 41 distinctive variants of quest fish.

Scaly Truffle.png Usable items
These items can be used directly without further crafting. Most are Tools or Weapons, many of which are best-in-class for large parts of the game. There are also a couple of Accessories offering jump boosts, an improvement on Healing Potions, a Pet, and in Hardmode a mount summon. The Angler's rewards fill out the set somewhat, with an early mount, a top-tier (Pre-Hardmode) Hook, and several items to help with fishing.

Wooden Crate.png Crates
Crates are stackable grab-bag type items that each contain random loot including potions, bait, useful items, coins, metal bars, and even ores. They can be right-clicked from within the player's inventory, which will unload their contents. Rarer Crate types contain more valuable loot. The biome crates can provide items otherwise found only in the matching biome chests, including Crimson Hearts/Shadow Orbs and the items found in Dungeon chests. (Not all biomes or special chests have matching crates.) Crates are one of the major sources for "alternate" metals and ores.

Tin Can.png Junk
These items have no use or coin value. They can each be stacked up to 99 in a single inventory slot. You will only "catch" these if a lake is too small or if your Fishing Power is too low. When a lake is at least 300 tiles (200 for honey) in size or your total fishing power is at least 50 you will no longer catch junk.

Note that the Seaweed junk item should not be confused with the pet summon item, which is found in Jungle Crates and Bramble Crates fished up in the jungle, as well as Jungle shrines and Living Rich Mahogany Trees.

Enemies
During a Blood Moon event, fishing can cause several Blood Moon themed enemies to spawn. These enemies are:

Upon retracting the line during a Blood Moon, there is a 1 in 6 chance (1 in 3 with the Chum Caster) that one of these enemies will spawn. This will be signified with the entity's name in red while using the Sonar Potion, giving players a second or two to prepare for the oncoming attack. In pre-Hardmode, the only enemies that can appear are the Zombie Merman and the Wandering Eye Fish, with an equal chance of each. In Hardmode, the Dreadnautilus has a 10% (1 in 10) chance of appearing, and the other four enemies have equal remaining chances of appearing (22.5%, or 9 in 40). Each of these enemies have a chance to drop Chum Buckets used to further increase fishing power. Note that fishing power has no effect on this mechanic, nor does the use of Chum Buckets.

Catch frequency
When fishing, there is a hidden catch counter which tracks your progress toward making a catch. The counter normally starts at 0 and increases over time. When it exceeds 660, there is a ((75 + fishing power) / 2) % chance that a fish will bite, capping out at 125 fishing power. The counter then resets to 0, regardless of whether or not there was a bite.

When fishing in lava with at least two of lava-proof bait, a Hotline Fishing Hook or a Lavaproof Fishing Hook, the counter starts and resets to 240 instead.

The catch counter increases every tick (there are 60 ticks per second) according to these factors:


 * 1-2 points by default (average 1.5 points per tick)
 * A 1 in 60 chance of 60 points (average 1 point per tick)
 * Fishing power / 30 points per tick (e.g. 1.667 points per tick at 50 fishing power)
 * A (fishing power / 3) % chance of increasing an additional 1-2 points (e.g. an average of 0.25 points per tick at 50 fishing power)

For example, with a fishing power of 125, you can expect to catch a fish around once every 1.5 seconds:


 * 1) (1.5 + 1 + (125 / 30) + 1.5 * (125 / 3)% ~= 7.29 catch counter per tick
 * 2) 660 / 7.29 ~= 90.5 ticks per bite
 * 3) 90.5 / 60 ~= 1.5 seconds per bite

Biomes
A player can be eligible for catching fish from multiple biomes at once; however, certain biomes take priority over others. The priority order is:


 * 1) Lava
 * 2) Honey
 * 3) Dungeon
 * 4) Corruption = Crimson (when in both, there is a 50% chance of each, except for crates for which Corruption takes priority)
 * 5) Hallow
 * 6) Dungeon (crates only)
 * 7) Snow
 * 8) Jungle
 * 9) Mushroom
 * 10) Ocean
 * 11) Desert (Oasis)
 * 12) Sky (Forest)
 * 13) Underground/Cavern (Forest)
 * 14) Surface (Forest)

Layers
The height requirement (Sky/Surface/Underground/Cavern) is set by the height of the surface of the water, not by the position of the player. This can be taken advantage of by creating two adjacent pools of water on different layers. This allows the player to fish in either while standing at the same spot.

There are five height zones for fishing (see Layers): The height requirement for Sky catches listed above is a rough estimate. On the of the game, the Fishing Surface must be at or above 386' for small worlds, 536' for medium worlds, and 704' for large worlds.

Fishing power examples
If you have the Golden Fishing Rod, Master Bait, full Angler set and Angler Earring equipped, with the buff of the Fishing Potion, and it's Raining, at 5:00 am, at New Moon, your fishing power will be 196, calculated like this:


 * 1) Add the fishing power of the Fishing Rod, Bait, Equipment and buff, so it's 50+50+(5+5+5+10)+15=140.
 * 2) Apply the influence of the weather: 140*(1+20%)=168.
 * 3) Apply the influence of the time: 168*(1+30%)=218.4, round down to 218.
 * 4) Apply the influence of the Moon Phase: 218*(1-10%)=196.2, round down to 196.

The maximum possible Fishing Power is 303:

Equipment bonuses add to 150:
 * 50% for Golden Fishing Rod
 * 50% for Master Bait (inter alia)
 * 10% for Tackle Bag
 * 10% for Angler Earring
 * 15% for full Angler Armor
 * 15% for Fishing Potion

The weather and time-based bonuses multiply that:
 * 20% for rain: 150 × 120% = 180
 * 10% for cloudiness: 180 × 110% = 198
 * 30% for time-of-day: 198 × 130% = 257.4
 * 10% for Full moon: 257.4 × 110% = 283.14, round down to 283

The add further bonuses:
 * +11 for one bucket: 283 + 11 = 294
 * +6 for a second bucket: 294 + 6 = 300
 * +3 for a third bucket: 300 + 3 = 303

Behind the scenes, has the potential to further increase this: With +1.0 Luck, 303 FP can become anywhere between 333 and 424 effective Fishing Power. However, -only scaling then reduces this to 219 effective Fishing Power at most.

Catch quality
There are 6 different catch quality slots for catches, each with its own associated probability:

The denominators are rounded down. A fishing power of 85, for example, would have a 1 in 52 chance of an Extremely Rare catch.

When a new fish is generated, each different catch quality is checked for success, separately from one another. For example, the Uncommon, Rare, and Very Rare rolls might all succeed, while the Common and Extremely Rare rolls fail. Then, depending on which roll(s) succeed as well as factors such as height and biome, the game will generate a fish.

With some exceptions, the highest catch quality roll that succeeded will take priority over lower catch quality slots in determining which fish a player receives. However, not every catch quality slot will contain a fish that can be caught; in that case, the game will move on to checking lower catch qualities. Success at the higher catch quality roll will not carry down to lower quality slots. For example, if the Rare roll succeeded but there is no Rare fish available to be caught, the game will move on to checking whether or not the Uncommon roll succeeded; if the Uncommon roll failed, it will move on to checking Common.

Each biome has a list of available biome-specific fish that can be caught there, based on the catch quality rolls and other factors. If no biome-specific fish is generated, the game will move on to checking subsequent, lower priority biomes. Many of the fish available in catch quality slots vary based on randomness, so succeeding at a catch quality roll in a specific biome does not guarantee that you will get a specific fish of that quality, or any fish of that quality at all. If no fish is selected for the slot, the game will proceed to check more common slots instead and move on to subsequent biomes if and only if none of those slots contain fish either.

When fishing in the water, a successful Extremely Rare roll will always check for a special catch first (Frog Leg, Balloon Pufferfish, and Zephyr Fish, in that order). If none of these checks succeed, the game will then check for biome-specific fish.

All quest fish occupy the Uncommon slot, except the Mirage Fish and Pixiefish, which are Rare.

There are only four Plentiful fish:, , , and. If all other checks fail and you are fishing in the water, you will catch one of these by default: Trout if fishing in the Ocean, Flounder or Rock Lobster if fishing in the or Oasis on  (with Rock Lobster being half as common as Flounder), and Bass otherwise.

Crates
There is a separate roll to determine if a Crate is caught, defaulting to 10% (or 20% with a Crate Potion active). An Extremely Rare or Very Rare catch will generate a Golden Crate, a Rare catch will generate a biome-specific crate (if applicable, otherwise it will generate an Iron Crate), an Uncommon catch will generate an Iron Crate, and a Wooden Crate otherwise. In Hardmode, the crate will be the Hardmode-equivalent crate.

Fishing in honey will never generate a crate.

Stack sizes
Stackable fish (i.e. Bomb Fish and Frost Daggerfish) generate in stacks that vary based on the player's fishing power. These can vary significantly, with higher fishing power levels generating higher minimum stack sizes as well as significantly higher maximum stack sizes.

Tips

 * The Angler gives six different accessories as rewards, but with the Tinkerer's Workshop those can be combined into one functional and one informational accessory:
 * The Tackle Box, High Test Fishing Line, and Angler Earring combine into the Angler Tackle Bag.
 * The Angler Tackle Bag’s fishing power bonus will stack with another Angler Earring.
 * The Fisherman's Pocket Guide, Weather Radio, and Sextant combine into the Fish Finder.
 * The Fish Finder later combines with other items to make a Cell Phone.
 * A Crate Potion will increase the number of crates a Player catches. Regardless, crates cannot be caught in honey.
 * Sonar Potions allow players to reel in only their chosen catches. For honey or lava, this is hardly worth it, as you only have a few possibilities, and all of them useful and salable.
 * Make sure the Truffle Worm is not the upper-leftmost bait item, unless you are trying to summon Duke Fishron at the Ocean.
 * While a quest fish cannot be fished or picked up when the player already has one in inventory, it's easy enough to stash the fish in a Chest or Piggy Bank and collect multiples.
 * Saved quest fish can be turned in the next time that quest fish comes up.
 * Similarly, the same daily quest fish will be asked of all players on a world, so one player can supply the day's quest fish for the others. However, if a player of the same name as one who has already turned in a quest tries to turn in a quest, they will be rejected.
 * Note that quest fish do not stack, but 3 chests will suffice to hold 3 copies of each quest fish.
 * A player cannot catch more of a quest fish after having turned one in for the day.
 * Considering the difficulty of obtaining Chum Buckets early on and the lowered bonus given by the second and third buckets, using a single bucket might be preferable early game.
 * It is slower but more bait efficent to use sonar potion and waiting for your preferable item. So if you don't care about using bait don't use sonar potions. (Fish biting time + Duration fish stays) > (Fish biting time)

When to stop fishing
Angler reward chances generally rise over time, but after the 150th Angler quest, most of the reward chances go back to their initial odds and stay there. Once a player has their Golden Bug Net, Golden Fishing Rod, Fish Finder, and Angler Tackle Bag (with perhaps a spare Angler Earring), it may be wise to leave off Angler quests until Hardmode, and hopefully avoid hitting the deadline before getting the Hardmode rewards. Fishing without the Angler can still be profitable, and stockpiling crates for Hardmode has its uses (although on the it cannot be used to stockpile Hardmode ores, as Crates fished before Hardmode will only contain pre-Hardmode items, even after entering Hardmode).

After Hardmode, there are only a couple more weapons and a mount to catch (Toxikarp or Bladetongue, Crystal Serpent, Scaly Truffle), and a few more useful Angler rewards: The Bottomless Water Bucket and Super Absorbant Sponge for water handling, and the Hotline Fishing Hook for fishing in lava. That last can provide the makings for Inferno potions, and a short-but-deadly spear (the Obsidian Swordfish). Once a player has all that, they're done with the Angler Quests. Fishing can still provide potion resupply, metals (especially the alternates), and money (the Scaly Truffle is a good target), but no new items after this point.

Trivia

 * The Golden Carp has no use, aside from its coin value of.
 * The Neon Tetra has no use, aside from its coin value of.
 * The Double Cod is required to make an Ammo Reservation Potion, possibly a reference to the acronym for the first-person shooter video game franchise .

History
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