Critters

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Critters
Squirrel.png Bunny.png Monarch Butterfly.png
Statistics
Type
Damage0
Max Life5
Defense0
Sounds
A Red Squirrel and a Bunny in a Forest.

Critters are harmless characters that do not interact with the player in any way, except in that they can be killed by both players and enemies. All critters have 5 health and serve as ambient entities. Most critters can be summoned by means of a statue, but will otherwise spawn randomly in any environment that supports them.

All critters can be caught with a Bug Net, except for DolphinsDesktop and Mobile versions and Sea TurtlesDesktop and Mobile versions. Additionally, critters from The Underworld can only be caught with a Golden Bug NetDesktop, Console, and Mobile versions or Lavaproof Bug NetDesktop and Mobile versions. When caught, the critter can be carried around the player's inventory (or placed in storage), and can be released again by being used like any other item. On Desktop version Desktop, Console version Console, and Mobile version Mobile, critters spawned from statues cannot be caught; attempting to do so will cause the critter to disappear in a puff of smoke.

Most caught critters can be used as fishing bait and crafted into food. All caught critters can be caged to create animated display furniture. Once crafted, the critter cannot be released. Most critters are caged in Terrariums, however Butterflies, Fireflies and Lightning Bugs are caged in Bottles, and Goldfish are caged in Bottled Water. Bottled Fireflies and Lightning Bugs also function as valid light sources.

On Desktop version Desktop, Console version Console, and Mobile version Mobile, some critter types have a rare golden variation that has a Desktop and Mobile versions 0.25*1/400 (0.25%) / Console Version 0.67*1/150 (0.67%) chance of spawning instead of a normal one, and can be detected by the Lifeform Analyzer. Visual identification is helped by the sparkles they emit when alive in the world.

There are currently 86 Desktop and Mobile versions / 41 Console Version / 28 Old-gen console version / 8 3DS version different critters.

Types[edit | edit source]

Critter Environment AI Type Rarity Sell Bait Power Notes
Bird Bird
Internal Item ID: 2015
Forest / Snow biome / The Hallow Bird AI 00*Rarity level: 0 5 n/a Bird BannerBird Banner drops after every 50th kill.
Blue Jay Blue Jay
Internal Item ID: 2016
Forest / Snow biome / The Hallow Bird AI 00*Rarity level: 0 750 n/a
Buggy BuggyDesktop, Console, and Mobile versions
Internal Item ID: 3194
Jungle Passive Worm AI 02*Rarity level: 2 10 40% Found by breaking background objects.
Bunny Bunny
Internal Item ID: 2019
Forest Passive AI 00*Rarity level: 0 5 n/a Bunny BannerBunny Banner drops after every 50th kill.
Explosive Bunny Explosive Bunny
Internal Item ID: 1338
n/a Passive AI 00*Rarity level: 0 7 n/a Crafted with a Bunny and Dynamite. Unaffected by the Guide To Critter CompanionshipDesktop and Mobile versions.
Amethyst Bunny Amethyst BunnyDesktop and Mobile versions
Internal Item ID: 4838
n/a Passive AI 00*Rarity level: 0 10 n/a
Topaz Bunny Topaz BunnyDesktop and Mobile versions
Internal Item ID: 4839
n/a Passive AI 00*Rarity level: 0 10 n/a
Sapphire Bunny Sapphire BunnyDesktop and Mobile versions
Internal Item ID: 4840
n/a Passive AI 00*Rarity level: 0 10 n/a
Emerald Bunny Emerald BunnyDesktop and Mobile versions
Internal Item ID: 4841
n/a Passive AI 00*Rarity level: 0 10 n/a
Ruby Bunny Ruby BunnyDesktop and Mobile versions
Internal Item ID: 4842
n/a Passive AI 00*Rarity level: 0 10 n/a
Diamond Bunny Diamond BunnyDesktop and Mobile versions
Internal Item ID: 4843
n/a Passive AI 00*Rarity level: 0 10 n/a
Amber Bunny Amber BunnyDesktop and Mobile versions
Internal Item ID: 4844
n/a Passive AI 00*Rarity level: 0 10 n/a
Cardinal Cardinal
Internal Item ID: 2017
Forest / Snow biome / The Hallow Bird AI 00*Rarity level: 0 750 n/a
Dolphin DolphinDesktop and Mobile versions Ocean Swimming AI 00*Rarity level: 0 No value n/a Cannot be caught with a Bug Net.
Duck Duck
Internal Item ID: 2123
n/a Passive AI 00*Rarity level: 0 750 n/a
Mallard Duck Mallard Duck
Internal Item ID: 2122
n/a Passive AI 00*Rarity level: 0 750 n/a
Enchanted Nightcrawler Enchanted NightcrawlerDesktop, Console, and Mobile versions
Internal Item ID: 3191
Meteor Shower Passive Worm AI 02*Rarity level: 2 20 35% Crafted with a WormWorm and a Fallen StarFallen Star. Spawns during Meteor Showers and Lantern Nights instead of regular Worms. Can also be found by opening a Can Of Worms.
Blue Fairy Blue FairyDesktop and Mobile versions
Internal Item ID: 4070
Underground Fairy AI 01*Rarity level: 1 1 n/a Can also be found in the surface near Fallen Logs. Only surface Fairies can be caught with a Bug Net. Fairies spawned underground cannot be caught or hurt, and may guide the player towards nearby treasure.
Green Fairy Green Fairy
Internal Item ID: 4069
Underground Fairy AI 01*Rarity level: 1 1 n/a Can also be found in the surface near Fallen Logs. Only surface Fairies can be caught with a Bug Net. Fairies spawned underground cannot be caught or hurt, and may guide the player towards nearby treasure.
Pink Fairy Pink Fairy
Internal Item ID: 4068
Underground Fairy AI 01*Rarity level: 1 1 n/a Can also be found in the surface near Fallen Logs. Only surface Fairies can be caught with a Bug Net. Fairies spawned underground cannot be caught or hurt, and may guide the player towards nearby treasure.
Firefly Firefly
Internal Item ID: 1992
Surface Firefly AI 01*Rarity level: 1 3 20%
Frog Frog
Internal Item ID: 2121
Jungle Passive AI 00*Rarity level: 0 15 n/a
Glowing Snail Glowing Snail
Internal Item ID: 2007
Glowing Mushroom biome Snail AI 01*Rarity level: 1 50 15%
Goldfish Goldfish
Internal Item ID: 261
n/a Swimming AI 00*Rarity level: 0 750 n/a Goldfish BannerGoldfish Banner drops after every 50th kill. Walks on land during rain.
Grasshopper Grasshopper
Internal Item ID: 2740
Forest Slime AI 00*Rarity level: 0 250 10% Found by breaking tall grass.
Grebe GrebeDesktop and Mobile versions
Internal Item ID: 4374
Oasis Passive AI 00*Rarity level: 0 750 n/a
Grubby GrubbyDesktop, Console, and Mobile versions
Internal Item ID: 3192
Jungle Passive Worm AI 01*Rarity level: 1 250 15% Found by breaking Jungle grass and bushes.
Ladybug LadybugDesktop and Mobile versions
Internal Item ID: 4361
Windy Day Ladybug AI 01*Rarity level: 1 10 17% Increases luck when touched, decreases luck when killed.
Lavafly LavaflyDesktop and Mobile versions
Internal Item ID: 4847
The Underworld Firefly AI 01*Rarity level: 1 20 25% Caught with Lavaproof Bug Net or Golden Bug Net.
Lightning Bug Lightning Bug
Internal Item ID: 2004
The Hallow / Night Firefly AI 02*Rarity level: 2 5 35%
Maggot MaggotDesktop and Mobile versions
Internal Item ID: 4363
Graveyard Passive Worm AI 01*Rarity level: 1 5 22% Can drop from Maggot Zombies.
Magma Snail Magma SnailDesktop and Mobile versions
Internal Item ID: 4849
The Underworld Snail AI 02*Rarity level: 2 50 35% Caught with Lavaproof Bug Net or Golden Bug Net.
Mouse Mouse
Internal Item ID: 2003
Underground / Cavern Passive AI 00*Rarity level: 0 10 n/a Cannot be harmed by enemies.
Owl OwlDesktop and Mobile versions
Internal Item ID: 4395
Forest+Night Bird AI 00*Rarity level: 0 10 n/a Spawns at night.
Penguin Penguin
Internal Item ID: 2205
Snow biome Passive AI 00*Rarity level: 0 1250 n/a Penguin BannerPenguin BannerDesktop versionConsole VersionMobile version3DS version drops after every 50th kill.
Pupfish PupfishDesktop and Mobile versions
Internal Item ID: 4373
Desert / Oasis Swimming AI 00*Rarity level: 0 750 n/a
Rat RatDesktop and Mobile versions
Internal Item ID: 4375
Graveyard Passive AI 00*Rarity level: 0 10 n/a
Scorpion Scorpion
Internal Item ID: 2157
Desert+Day Passive AI 00*Rarity level: 0 15 10%
Black Scorpion Black Scorpion
Internal Item ID: 2156
Desert Passive AI 01*Rarity level: 1 15 15%
Seagull SeagullDesktop and Mobile versions
Internal Item ID: 4359
Ocean Passive AI 00*Rarity level: 0 750 n/a
Seahorse SeahorseDesktop and Mobile versions
Internal Item ID: 4480
Ocean Seahorse AI 00*Rarity level: 0 15 n/a
Sea Turtle Sea TurtleDesktop and Mobile versions Ocean Passive AI 00*Rarity level: 0 No value n/a Cannot be caught with a Bug Net.
Sluggy SluggyDesktop, Console, and Mobile versions
Internal Item ID: 3193
Jungle Passive Worm AI 01*Rarity level: 1 5 25% Found by breaking Jungle grass and bushes.
Snail Snail
Internal Item ID: 2006
Cavern Snail AI 00*Rarity level: 0 10 10%
Squirrel Squirrel
Internal Item ID: 2018
Forest Passive AI 00*Rarity level: 0 5 n/a
Red Squirrel Red SquirrelDesktop, Console, and Mobile versions
Internal Item ID: 3563
Forest Passive AI 00*Rarity level: 0 5 n/a
Amethyst Squirrel Amethyst SquirrelDesktop and Mobile versions
Internal Item ID: 4831
Underground Passive AI 00*Rarity level: 0 10 n/a
Topaz Squirrel Topaz SquirrelDesktop and Mobile versions
Internal Item ID: 4832
Underground Passive AI 00*Rarity level: 0 10 n/a
Sapphire Squirrel Sapphire SquirrelDesktop and Mobile versions
Internal Item ID: 4833
Underground Passive AI 00*Rarity level: 0 10 n/a
Emerald Squirrel Emerald SquirrelDesktop and Mobile versions
Internal Item ID: 4834
Underground Passive AI 00*Rarity level: 0 10 n/a
Ruby Squirrel Ruby SquirrelDesktop and Mobile versions
Internal Item ID: 4835
Underground Passive AI 00*Rarity level: 0 10 n/a
Diamond Squirrel Diamond SquirrelDesktop and Mobile versions
Internal Item ID: 4836
Underground Passive AI 00*Rarity level: 0 10 n/a
Amber Squirrel Amber SquirrelDesktop and Mobile versions
Internal Item ID: 4837
Underground Passive AI 00*Rarity level: 0 10 n/a
Turtle TurtleDesktop and Mobile versions
Internal Item ID: 4464
Forest+Day Passive AI 00*Rarity level: 0 10 n/a
Jungle Turtle Jungle TurtleDesktop and Mobile versions
Internal Item ID: 4465
Jungle Passive AI 00*Rarity level: 0 10 n/a
Water Strider Water StriderDesktop and Mobile versions
Internal Item ID: 4418
Surface+Day Water Strider AI 01*Rarity level: 1 10 17%
Worm Worm
Internal Item ID: 2002
Surface Passive Worm AI 01*Rarity level: 1 5 25% Can also be found by breaking background objects or opening a Can Of Worms.

Butterflies[edit | edit source]

Main article: Butterflies
Butterfly Environment AI Type Rarity Sell Bait Power Notes
Julia Butterfly Julia Butterfly
Internal Item ID: 2001
Forest Butterfly AI 01*Rarity level: 1 30 25%
Monarch Butterfly Monarch Butterfly
Internal Item ID: 1994
Forest Butterfly AI 00*Rarity level: 0 5 5%
Purple Emperor Butterfly Purple Emperor Butterfly
Internal Item ID: 1995
Forest Butterfly AI 02*Rarity level: 2 75 35%
Red Admiral Butterfly Red Admiral Butterfly
Internal Item ID: 1996
Forest Butterfly AI 02*Rarity level: 2 40 30%
Sulphur Butterfly Sulphur Butterfly
Internal Item ID: 1998
Forest Butterfly AI 00*Rarity level: 0 10 10%
Tree Nymph Butterfly Tree Nymph Butterfly
Internal Item ID: 1999
Forest Butterfly AI 03*Rarity level: 3 1 50% Extremely rare.
Ulysses Butterfly Ulysses Butterfly
Internal Item ID: 1997
Forest Butterfly AI 01*Rarity level: 1 20 20%
Zebra Swallowtail Butterfly Zebra Swallowtail Butterfly
Internal Item ID: 2000
Forest Butterfly AI 01*Rarity level: 1 15 15%
Hell Butterfly Hell ButterflyDesktop and Mobile versions
Internal Item ID: 4845
The Underworld Butterfly AI 01*Rarity level: 1 20 15% Caught with Lavaproof Bug Net or Golden Bug Net.
Prismatic Lacewing Prismatic LacewingDesktop and Mobile versions
Internal Item ID: 4961
The Hallow+Surface+Night Butterfly AI 03*Rarity level: 3 5 n/a Only appears after Plantera has been defeated. Summons Empress of Light when killed. Detected by the Lifeform Analyzer.

Dragonflies[edit | edit source]

Main article: Dragonflies
Dragonfly Environment AI Type Rarity Sell Power Notes
Yellow Dragonfly Yellow DragonflyDesktop and Mobile versions
Internal Item ID: 4339
Oasis Dragonfly AI 01*Rarity level: 1 10 20%
Red Dragonfly Red DragonflyDesktop and Mobile versions
Internal Item ID: 4338
Forest Dragonfly AI 01*Rarity level: 1 10 20%
Black Dragonfly Black DragonflyDesktop and Mobile versions
Internal Item ID: 4334
Oasis Dragonfly AI 01*Rarity level: 1 10 20%
Blue Dragonfly Blue DragonflyDesktop and Mobile versions
Internal Item ID: 4335
Forest Dragonfly AI 01*Rarity level: 1 10 20%
Orange Dragonfly Orange DragonflyDesktop and Mobile versions
Internal Item ID: 4337
Oasis Dragonfly AI 01*Rarity level: 1 10 20%
Green Dragonfly Green DragonflyDesktop and Mobile versions
Internal Item ID: 4336
Forest Dragonfly AI 01*Rarity level: 1 10 20%

Gold critters[edit | edit source]

Critter Environment AI Type Rarity Sell Bait Power Notes
Gold Bird Gold BirdDesktop, Console, and Mobile versions
Internal Item ID: 2889
Forest / Snow biome / The Hallow Bird AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Bunny Gold BunnyDesktop, Console, and Mobile versions
Internal Item ID: 2890
Surface Passive AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Butterfly Gold ButterflyDesktop, Console, and Mobile versions
Internal Item ID: 2891
Forest Butterfly AI 03*Rarity level: 3 10 50% Rare creature.
Gold Dragonfly Gold DragonflyDesktop and Mobile versions
Internal Item ID: 4340
n/a Dragonfly AI 03*Rarity level: 3 10 50% Rare creature.
Gold Frog Gold FrogDesktop, Console, and Mobile versions
Internal Item ID: 2892
Jungle Passive AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Goldfish Gold GoldfishDesktop and Mobile versions
Internal Item ID: 4274
n/a Swimming AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Grasshopper Gold GrasshopperDesktop, Console, and Mobile versions
Internal Item ID: 2893
Surface Slime AI 03*Rarity level: 3 10 50% Rare creature. Found by breaking tall grass.
Gold Ladybug Gold LadybugDesktop and Mobile versions
Internal Item ID: 4362
Windy Day Ladybug AI 03*Rarity level: 3 10 50% Rare creature. Increases luck when touched, decreases luck when killed.
Gold Mouse Gold MouseDesktop, Console, and Mobile versions
Internal Item ID: 2894
Underground Passive AI 03*Rarity level: 3 10 n/a Rare creature. Cannot be harmed by enemies.
Gold Seahorse Gold SeahorseDesktop and Mobile versions
Internal Item ID: 4482
Ocean Seahorse AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Squirrel Gold SquirrelDesktop, Console, and Mobile versions
Internal Item ID: 3564
Surface Passive AI 03*Rarity level: 3 10 n/a Rare creature.
Gold Water Strider Gold Water StriderDesktop and Mobile versions
Internal Item ID: 4419
Surface+Day Water Strider AI 03*Rarity level: 3 10 50% Rare creature.
Gold Worm Gold WormDesktop, Console, and Mobile versions
Internal Item ID: 2895
Surface Passive Worm AI 03*Rarity level: 3 10 50% Rare creature. Can also be found by breaking background objects or opening a Can Of Worms.

Boss summon critters[edit | edit source]

Critter Environment AI Type Rarity Sell Power Notes
Prismatic Lacewing Prismatic LacewingDesktop and Mobile versions
Internal Item ID: 4961
The Hallow+Surface+Night Butterfly AI 03*Rarity level: 3 5 n/a Summons Empress of Light when killed.
Truffle Worm Truffle Worm
Internal Item ID: 2673
Glowing Mushroom biome Passive Worm AI 03*Rarity level: 3 10 666% Summons Duke Fishron when used as bait.

Gallery[edit | edit source]

Notes[edit | edit source]

  • Most critters will spawn in the place of enemies near NPCs. Mice, however, will generally not spawn near NPCs.
  • The spawn rates and spawn caps of critters are affected by many of the same factors as those of hostile enemies, so Water Candles, Peace CandlesDesktop, Console, and Mobile versions, Battle Potions, adjusting the Enemy Spawn Rate slider in Journey ModeDesktop and Mobile versions, Calming Potions and Sunflowers will affect critter spawns.
  • Critters caught with a Bug Net when the player has a full inventory will be dropped in the world as items rather than released.
  • Critters regenerate health, this can be seen by hitting them with a low damage weapon/tool, like a Copper Axe, Copper Pickaxe or a Wooden Hammer.
  • Old-gen console version Trying to release a Goldfish will cause the goldfish to be consumed.
  • Once a critter is put inside a cage, bottle, or jar, that single critter can no longer be released, and will stay in there forever. An alternative is to simply release the critter into an enclosed area, though the critter can then despawn if a player travels too far away.
  • Desktop and Mobile versions Attempting to catch an Underworld critter with an ordinary Bug Net will result in the player being set On Fire! for 5 seconds and the critter will not be picked up.
  • Gem Critters seem to have a tendency to spawn near Gem treesDesktop and Mobile versions. This is apparent when making a decently sized gem tree farm in close vicinity to underground towns.Verify
  • Many critters which appear to be two or even one blocks tall in fact require a full three blocks height to move. If manually placed in a two-block high space they will be unable to move.
    • Three-block-high critters include Bunnies, all Squirrels, all Ducks, Penguins, and even Scorpions and Frogs.
    • In contrast, Worms, Snails, Mice, Sluggy, Grubby and Buggy can crawl in one-block high spaces.
    • Butterflies can fly in one-block-high spaces.
    • Grasshoppers, if placed in a small space, can jump downward through the blocks beneath them until they reach open space.
    • Birds in a one-high space can fly upwards through at least the block above them.

Tips[edit | edit source]

  • With several NPCs acquired, keeping Water Candles around your suitable housing will cause more critters to spawn, without spawning enemies.
  • To find exactly how much damage an enemy does, a critter can be placed on the enemy. Critters have 0 defense and enemy damage to it will not vary unlike most situations of dealing damage. Projectiles from enemies will do varying and reduced damage to critters, so it will not work for measuring projectile damage.
  • Early game, before a player can craft enough torches to place around a base, a player can use critters to alert them when an enemy is approaching.
  • For eligible critter types, 1 in 150 spawns gets a valuable golden critter. But since all critters are subject to a spawn cap, few new ones will spawn unless you are industrious about collecting all those "worthless" critters, increasing turnover.
  • During a Blood Moon, Bunnies, Goldfish, and Penguins will transform into hostile enemies: Corrupt Bunnies, Corrupt Goldfish and Corrupt Penguins in a Corruption world (Desktop, Console, and Mobile versions and Vicious Bunnies, Vicious Goldfish and Vicious Penguins in a Crimson world). So it is recommended for players who are ill-equipped or have low health to either kill or capture any bunny, goldfish, or penguin in their vicinity before nightfall happens. Critters that have been placed in inventory, storage, or cages will not be affected. These same critters can be transformed manually into their corruption form by throwing Vile Powder at them, and their crimson form by throwing Vicious PowderDesktop, Console, and Mobile versions. All Bunnies, Goldfish, and Penguins spawned from statues will transform into enemies if they are spawned during a Blood Moon. Once these critters have transformed into hostile enemies, they can no longer be caught with a Bug Net.
  • Having a Guide To Critter CompanionshipDesktop and Mobile versions in the inventory will prevent the player from dealing damage to all critters, except for the Explosive Bunny.
  • Lava critters like Hell Butterfly, Lavafly or Magma Snail may be useful for players wanting to fish in the lava with any poles (on version 1.4.0.1 or higher), but can be pretty hard to find. Critters spawn faster when the player don't move so much, coming from the sides of the screen. Staying at the same place in The Underworld, killing the various enemies around, seems to be the best way to get lava critters easier.

Trivia[edit | edit source]

The glow of the Glowing Snail Cage

BestiaryBestiary entries

  • Gold critters: "Rarely, critters are found coated entirely in gold! Shopkeepers will pay handsomely for these, or you can show them off in cages!"
  • Gold bait: "Rarely, critters are found coated entirely in gold! They are worth great coin to shopkeepers and fish absolutely love golden bait!"

History[edit | edit source]

  • Desktop 1.2.1: Mice can no longer be killed by enemies and no longer spawn in the underworld.
  • Console 1.08: Added cages for Mallard Duck, Firefly, Lightning Bug, and Butterflies.
  • Console 1.07:
    • Added: Duck and Mallard Duck, Firefly and Lightning Bug, Frog, Grasshopper, Scorpion and Black Scorpion, Snail and Glowing Snail, Worm and Truffle Worm, and Butterflies (Monarch, Sulphur, Zebra Swallowtail, Ulysses, Julia, Red Admiral, Purple Emperor, and Tree Nymph).
    • Critters can now be caged (except for the Mallard Duck, Firefly, Lightning Bug, and Butterflies).
    • All other critter content is in sync with Desktop 1.2.4.