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Tom Stone Mojang avatar.png

You're not the only new explorer of the updated oceans, mind. We've filled the seas with new types of fish! Above is the delightful pufferfish, which filled me with delightful poison because I was too busy taking that screenshot to swim away in time :(

Tom Stone[1]

Pufferfish are uncommon defensive mobs found in oceans.


Fish spawn underwater at around 12–32 blocks away from the player.

Pufferfish spawn in lukewarm, warm, and deep lukewarm oceans in groups of 3–5. In Bedrock Edition, they spawn only in warm ocean biomes.


Fish drop 1 of their item form when killed:


Pufferfish will puff up when approached by the player, most mobs and armor stands.[2]

The player may collect a fish by using a water bucket on it, which gives the player a bucket of fish. Fish placed with buckets will not despawn naturally. When that fish bucket is used against a block, it empties the bucket, placing water with that fish swimming in it. An empty bucket may be used as well.‌[Legacy Console and Bedrock editions only]

Unlike other fish, pufferfish don't swim in schools.


Like other fish, pufferfish cannot survive out of water. Outside of water, they flop around like guardians for a while until eventually they start to suffocate and die like squid. In Bedrock Edition and Legacy Console Edition, they will rotate when flopping. Fish cannot swim or breathe in cauldron water.[3]

Fish have a weakness to weapons that have the Impaling enchantment, which also affects squid, turtles, guardians, elder guardians and dolphins.


Pufferfish will puff up when approached by a player in Survival or Adventure mode, drowned, or any non-water mob inside of a 5x5x5 block cube around the fish, going from unpuffed, then semi-puffed, to fully puffed‌[Java Edition only], or instantly to the fully-puffed state‌[Legacy Console and Bedrock editions only]. Pufferfish are technically passive mobs but going near one when fully puffed will inflict the player/mob with seven seconds of Poison, and touching them in their puffed or semi-puffed form will deal damage separate from the poison. Pufferfish also instantly puff up to their fullest form after taking any kind of damage.‌[Bedrock Edition only] After puffing up, they will slowly deflate to their normal shape. Undead mobs are unaffected by the poison effect, but still take damage when they come into contact with pufferfish.

Data values[edit]

Entity data[edit]


Pufferfish have additional entity data, beyond what other fish have.

  • Entity data
    • Tags common to all entities see Template:Nbt inherit/entity/template
    • Tags common to all mobs see Template:Nbt inherit/mob/template
    •  FromBucket: 1 or 0 (true/false) - Whether the fish had ever been released from a bucket.
    •  PuffState: A value from 0–2. 0 means the fish is deflated, 1 means it is halfway puffed-up, and 2 means it is fully puffed-up.


Icon Achievement In-game description Actual requirements (if different) Availability Xbox points earned Trophy type (PS)
Xbox PS Bedrock Nintendo
I'm a Marine BiologistCollect a fish in a bucketUse a water bucket (or an empty bucket in Bedrock Edition) on any fish mob to collect it.NoAltYesNo20G
Marine BiologistPS4Bronze


Icon Advancement In-game description Parent Actual requirements (if different) Internal ID
Advancement-plain-raw.png Tactical FishingCatch a fish... without a fishing rod!Fishy BusinessUse a water bucket on a fish mob to get a bucket of fish.minecraft:husbandry/tactical_fishing


Java Edition Alpha
June 28, 2010Notch mentioned that fish might be a feature of coral, if he were able to add coral: "... I do know that the corals will have tiny fish particles around them."
October 4, 2010Fish were a passive mob that Notch showed interest in adding. In the promotional graphic for the Halloween Update, Notch indicated he would add fish. However, they were only added as an item; there was no code for a fish mob.
Java Edition
October 5, 2012Fish were jokingly teased in the fake snapshot 12marc40awesome, along with coral and "fish blocks".
April 13, 2013When Jon Kågström was asked in his AMA on Reddit, "What mob would you like to implement into the game?" He responded, "I would like to add birds, fish and tree animals to make it more alive. However this will take some time before it can be done."
July 31, 2013During Notch's AMA on Reddit, when asked about what happened to his plans of adding fish as a mob, he responded, "Oh yeah, the fish!"
1.1318w08bPufferfish small.gif Pufferfish medium.gif Pufferfish large.gif Added "puffer fish".
Puffer fish have 20♥ × 10 health.
18w10aThe health of puffer fish has now been changed to 3♥♥.[4]
18w19a"Puffer Fish" has now been corrected to "Pufferfish".[5]
1.13.118w31aPufferfish now have a 5% chance of dropping bone meal when killed.
Bedrock Edition
1.4.0beta BE.gif Pufferfish medium.png Pufferfish large.png Added pufferfish mobs.
Legacy Console Edition
TU691.76Patch 38Pufferfish BE.gif Pufferfish medium.png Pufferfish large.png Added pufferfish mobs.
Education Edition
1.4.0Pufferfish BE.gif Pufferfish medium.png Pufferfish large.png Added pufferfish mobs.


Issues relating to "Pufferfish" are maintained on the bug tracker. Report issues there.


In other media[edit]


  1. "How We Ruin-ed Minecraft" – Minecraft.net, March 5, 2018
  2. MC-132239
  3. MC-126819 – "fish bouncing and suffocating on top of the cauldron which fill with water" resolved as "Won't Fix"
  4. MC-126091 – "Puffer fish have 20 health", resolved
  5. MC-124190 – "Some display names don't follow the id", resolved