Mob

Mobs are living, moving game entities. The term "mob" is short for "mobile".

Spawning


Mobs come to exist by spawning in various ways. Most will spawn naturally, dependent on the light level and biome, often times in groups with mobs of the same variety. Most passive mobs also have the ability to breed, which will spawn baby versions of themselves. Mobs will not naturally spawn on transparent blocks, in water (except for squid and guardians), in lava, or on half blocks (slabs, stairs). The exception is monster spawners, from which they can spawn naturally on any block including air.

Boss mobs require that the player "construct" them before being able to spawn.

Players can also spawn mobs by using spawn eggs in creative mode, or the command after enabling cheats. However if the player tries to summon an Ender Dragon with the command, it will have a different AI to stay in the same place.

Behavior


Mobs are affected by the environment in the same ways as the player: they are subject to physics, and they can be hurt by the same things that harm the player (catching on fire, falling, drowning, attacked by weapons, etc.). Some mobs may be resistant or immune to certain hazards, such as Nether mobs which are immune to fire. Mobs can ride minecarts and other mobs, and can climb up ladders. When mobs are killed, they emit puffs of white smoke and drop items which may be useful resources.

Each type of mob in Minecraft has a certain AI (Artificial Intelligence) system with different behaviors and mechanics. Mobs will ordinarily wander around at random if there is a player nearby and usually avoid walking off blocks high enough to cause falling damage. Many mobs have an advanced pathfinding system that allows them to traverse complex mazes to get to a desired object or destination. Passive mobs will flee in random directions after being hurt, while hostile mobs will face and chase/attack the Player as soon as they come close. Neutral mobs will remain neutral until a player or mob attacks it, at which point the neutral mob will turn hostile toward and attack the entity that hit it. Most mobs are aware of players within 16 blocks of them, but some can see farther. Conversely, most mobs can be heard by players up to 16 blocks away.

Mobs can not see through most solid blocks, including semi-transparent blocks such as ice, glass, or glass panes. Mobs will not attempt to walk on rail tracks, unless pushed on by other mobs.

List of mobs
Mobs are listed and classified by their nature below. For more details on a particular mob, click and view their individual page.

''Note: The list is categorized according to the PC edition. May vary between different platforms.''

Upcoming mobs
Upcoming mobs are new mobs which are only present in development versions. NOTE - Images of the new mobs are needed.

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Unused mobs
Unused mobs are found in the source code and can be spawned using, but are unavailable in normal gameplay.

Removed mobs
Removed mobs no longer exist in the latest PC version and can be only found in older Minecraft versions.

Issues

 * For issues unique to specific mobs, see that mob's issues section.

Trivia

 * Renaming a mob "Dinnerbone" or "Grumm" using spawn eggs or name tags will flip them upside down.
 * If a hostile mob is tracking a player, the player can separate him or herself and the mob through a wall, relog, and the mob will no longer be tracking the player.
 * In the Pocket Edition, baby squids are present. The heads are also sized to fit body.