Mob spawning in Minecraft

Mechanics

Monsters — up to 70 per player; monsters do not spawn within 24 blocks, and disappear instantly beyond 128 blocks.

  • Minecraft 26.3
Zombie in Minecraft
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On this page 6 sections

At a glance

Limits and distances — below.

  • Rule spawn_monsters
    /gamerule spawn_monsters false

There can be no more monsters around a player 70, animals — 10. Mobs appear not closer than 24 blocks, and then 128 blocks disappear at once.

Limits.

GroupWho is thisLimitDisappears further away
Monsterszombie, skeleton, creeper70128 blocks
Animalscows, pigs, sheep10128 blocks
Batsbat15128 blocks
Axolotlsaxolotls5128 blocks
Underwater cavesglowing squids5128 blocks
Aquaticsquid, dolphin5128 blocks
Fishcod, salmon, tropical fish2064 blocks

Limit applies to 289 chunks around the player — a 17 × 17 square. Once a group reaches this limit, no new entities of that group spawn until one disappears. Therefore, mob farms operate more efficiently if there are no monster-filled caves nearby.

Distances

Mobs spawn only in loaded chunks and are at least 24 blocks away from players — so they don't spawn right next to you. Mobs need darkness, animals need grass and light. Spawners work according to their own rules: a mob from a spawner spawns 4 blocks away from it, as long as the player is within 16 blocks.

When do they disappear?

Mobs disappear instantly if they are more than 128 blocks away from all players. Beyond 32 blocks, they have a 1 in 800 chance per tick if they do nothing for 30 seconds. Mobs within 32 blocks do not disappear. Mobs with names on their name tag who picked up an item, and animals, remain permanently.

Frequently asked questions

How many mobs can exist in a Minecraft world?

Monsters: up to 70 around each player, animals: up to 10, bats: 15, fish: 20. The limit is calculated over 289 chunks around the player; once reached, no new mobs of that type will spawn.

How far do mobs spawn from a player?

Not within 24 blocks. A mob vanishes immediately beyond 128 blocks, and beyond 32 blocks with a 1 in 800 chance per tick if no action is taken for 30 seconds.

Why aren't mobs disappearing?

Mob entities with names and those that picked up an item—along with animals—remain in the world until they are killed.

Other mechanics

Minecraft 26.3 data: drop chances, time, and recipes — from game files and code; tips — from edits.