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Mobs are living, moving game entities, such as animals, monsters, bugs and others (such as Snow Golems and Villagers). Generally, mobs are affected by the environment in the same ways as the player—they are subject to physics, they can be hurt by catching on fire, falling, drowning, or suffocating, and they can even ride minecarts.

Mobs come to exist by spawning in various ways. As of version 1.1, players can spawn all mobs (except all boss mobs) using Spawn Eggs in Creative mode.

Mobs are aware of players within 16 blocks of them, except for Ghast, which can see up to 100 blocks away and Endermen, which can see up to 64 blocks away.[1]

The term "mob" is short for "mobile"[2] and has been used as a general term referring to any moving entities in games since the first MUDs surfaced.

Current Mobs

Utility

Utility mobs are created by and serve the player. They will never attack the player.

Snow Golem
Snow Golem

Passive

They will never attack the player.
All passive mobs require land to spawn on, except for Squid which spawn in water blocks.

Chicken Cow Mooshroom Pig Sheep Squid Villager
Chicken Cow Mooshroom Pig Sheep Squid Villager


Neutral

They will not attack the player unless provoked. The act of provoking Neutral mobs varies between mobs.

Enderman Wolf Zombie Pigman
Enderman Wolf Zombie Pigman


Hostile

They will attack the player when in range.
Cave Spiders, Creepers, Skeletons, Spiders, Spider Jockeys and Zombies require a light level of 7 or less to spawn.

Blaze Cave Spider Creeper Ghast Magma Cube Silverfish Skeleton Slime Spider Spider Jockey Zombie
Blaze Cave Spider Creeper Ghast Magma Cube Silverfish Skeleton Slime Spider Spider Jockey Zombie

Note: All mobs' hostility levels are based on how they are spawned by default. Spiders may become neutral, but they do not spawn neutral.


Bosses

Boss mobs have more complicated attack patterns, movements and also will attack the player as well as very high health. Boss mobs only spawn once per world.

Enderdragon Face
Ender Dragon

Planned, Unused, Removed, and Potential Mobs

Planned

Planned mobs are speculated to be added in a future version of Minecraft.

Fish Pigman Red Dragon Ocelot Cat
Fish Pigman Red Dragon Ocelot Cat

Unused

Unused mobs are mobs found in the source, but are not being used at this time. Through hacking, it is still possible to spawn them.

Giant
Giant


Removed

Removed mobs are mobs that have been removed from the game and can only be found in previous versions.

Beast Boy Black Steve Human Rana Steve
Beast Boy Black Steve Human Rana Steve

Potential Future Mobs

There are hints that new mobs might be released in the distant future. Below is the list of mobs that have been mentioned by Notch at least once and have a possibility of appearing in the game.

  • Aside from zombie pigmen, living pigmen have been confirmed to appear in a future update.
  • In the Halloween Update, Notch said he would add fish.[citation needed] However, he had limited time, and was thus only able to add them as an item. There is coding for fish in the game, but no model exists at this moment.
  • Notch confirmed during the Brocraft.net stream that he will be adding prefix mobs. This means that there will be mobs such as 'Burning Spider' 'Giant Zombie' 'Cobble Creeper', etc. It is not known if these are still planned to be in a future update. However, the dreaded Cave Spider and technically the Charged Creeper are prefix mobs. The Magma Cube, also known as a Lava Slime, may also be a prefix mob.

Movement

Mobs will ordinarily wander around at random and usually avoid walking off cliffs high enough to cause falling damage, though they can be fooled by non-solid blocks such as signs. In this state, mobs (besides Ghasts and Endermen) have a search radius of 16 blocks.

Mobs are capable of climbing ladders just as the player is: if they try to move towards a ladder they're touching they move up it instead. However, mobs do not see ladders nor do they purposely pathfind up them, so they will not attempt to avoid falling off a ladder should they be on the edge of one and they did not climb all walls. Spiders and Cave Spiders can climb all blocks as if they were ladders.

Mobs will stop wandering within 5 seconds if there is no player within a 32 block radius. In this state, they will glance around randomly, but they won't walk anywhere. They can still be moved by other means such as flowing water, minecarts, etc.

Hostile Mobs

If the closest player to a wandering hostile mob is within the search radius of 16 blocks and a line of sight can be drawn, (Spiders can always draw line of sight) the mob will enter pursuit mode. In this mode, mobs can see through all blocks and will walk towards the player. Some mobs, most notably skeletons and creepers, will start circling the player (moving to the left from the player's view) when close enough (skeletons at a long range for strafing, creepers at a very short range). As of the latest weekly build zombies will sink in water and whist in pursuit mode can path around walls to get to the player.

Passive Mobs

Animals are attracted to both light and grass. If there is a lot of grass nearby, they will wander toward it regardless of light level. If they are completely surrounded by grass, they will wander aimlessly. If they can't see any grass, they will wander toward light.

Passive mobs will flee randomly when attacked.

Passive mobs will follow a player if their currently held item is wheat. As long as the player does not get too far ahead of the mob, they will follow them over long distances. This can be used to corral mobs into pens in order to make farms.

If wheat is given to the mob by right clicking the mob, the mob will enter breed mode. See main article Breeding.

Notes

  • Mobs will frequently spawn in groups with mobs of the same variety.
  • Mobs will not spawn on transparent blocks, in Water (except for Squid) or Lava or half blocks (Slabs), except from Monster Spawners. where they can even spawn in air.

Trivia

Pig smoke death

A pig emitting smoke upon death.

  • The Halloween Update version 1.2.0 (Alpha) allowed hostile mobs to spawn in higher light levels at lower depths, using the formula 16 - (Layer ÷ 8). At level 8 and below, mobs could spawn even in sunlight. Notch reverted mob spawning to the original method in version 1.2.1 (Alpha) saying, "It was far too annoying. I have plans on what to do with this."[3]
  • When mobs spawn, smoke comes out of them, but not in multiplayer.
  • Mob noises can be heard up to 16 blocks away which is the same distance that hostile mobs can sense you. Therefore, if you hear a hostile mob, it is highly likely that they have already noticed you.
  • Players can approach a hostile mob without it noticing the player if they ensure that there are solid blocks between them and the mob.
  • After killing a player, or if a player dies while hostile mobs are pursuing the player, the hostile mobs will gather around the players deathplace, attempting to attack the player. This is because the player has been made invisible and non-solid, but still exists in that position. (evident by the "Game Over" screen still remaining in that position) The hostile mobs' heads will "spazz out", a humorous glitch caused by the pathfinding of the mobs so it looks like the hostile mobs are eating you. A player can use this to their advantage by holding a large number of hostile mobs over their deathplace while another player may pass by unnoticed. This quirk can also work against the player in the case of death by Ghast, the ghast will continue to fire at the player, possibly destroying more of the player's constructions or dropped items. The targeting of the player by the hostile mob is cancelled once the player logs out, quits or respawns.
  • If a hostile mob has found you and activated hostile mode, you can separate you and the mob through a wall, relog, and the mob will no longer be in hostile mode.
  • When a hostile mob is attacked by another one, it will attack the attacking mob. For example when a skeleton arrow hits a zombie, the zombie will attack the skeleton.
  • In the snapshot 12w04a, .png skins for Black Cats, Red Cats, and Siamese Cats can be found in the mobs folder. They are found in the Jungle biomes and are tamable with raw fish.

References

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