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Mobs are the various types of creatures and monsters found in Minecraft. Currently, there are twelve types of mobs. Each of these mobs are affected by the same environmental hazards as the player, including burning and collision (falling) damage. Up to 200 hostile mobs and 15 neutral mobs can be on a map at a time. Mobs spawn no closer than 24 blocks and disappear if they are more than 4 chunks away from the player.

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


Passive mobs

Pig Sheep Cow Chicken
Pig Sheep Cow Chicken

Neutral mob

Zombie Pigman
Zombie Pigman

Aggressive mobs

Zombie Skeleton Spider Creeper Slime Spider Jockey Ghast
Zombie Skeleton Spider Creeper Slime Spider Jockey Ghast

Unused mobs

Human Pigman
Human Pigman

Removed mobs

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

Mob behaviour

Passive mobs will not attack the player and spawn only on grass panels with a light level of 9 or greater.

Aggressive mobs will attack the player and spawn on every type of block with the exception of glass and half-blocks in a light level of 7 or less. There are exceptions.

Since the Halloween Update, aggressive mobs can spawn in higher light levels than 7 depending on the depth above bedrock. For example, Mobs will spawn at level 14 light at depths of 16 and below, which means that torches are useless, and you would have to fill the entire place with Lava, Fire, Jack-O-Lanterns, Lightstone, or Sunlight to stop mobs from spawning. At level 8 and below, even those won't stop mobs from spawning. Notch then removed this and is currently planning to fix the code so they don't spawn as often due to too many people complaining about their homes being overrun with hostile mobs.

The formula for the light required to stop mobs spawning at a certain depth is 16 - Layer (calculated from the bedrock) * 1 / 8, rounded down. So, at layer 64 mobs will spawn in level 8 light, and at layer 32 mobs will spawn in level 12 light. Higher layers, like 100, would require level 3 light.

Future mobs

Bats

Notch briefly mentioned coding bats, not much has been mentioned about them since.

Giants

Notch briefly ran a test of giant zombies during the very first version of survival, .31. (video) It is possible Giants may become a future mob, although Giants are still hidden in the code and it is possible to spawn them with mods or a map editor.

Dragons

Notch hinted during the Spider-riding skeleton update that he will add Dragons to the game. It is likely they will be classified as mega-mobs and will likely be found in caves underground or exposed to the surface. Dragons may also be able to fly or breathe fire.

Notch confirmed in his Twitter that he will definitely add a form of flying transportation. There is a chance that Dragons may be able to be ridden in a similar manner to pigs.

Prefix Mobs

Notch confirmed during the Brocraft.net stream that he will be adding 'prefix mobs'. This meaning that there will be mobs such as 'Burning Spider' 'Giant Zombie' 'Cobble Creeper' and etc. It's unknown how many prefixes there will be. A similar comparison could be that of the creatures from Borderlands or Dwarf Fortress.

Sea monsters

On July 21st, 2010, Notch commented via Minecast that Sea Monsters are a possibility. He particularly noted the possibility of sharks. Whales have recently been confirmed as a sea mob, although their purpose hasn't been specified.

Other Future Mobs

Notch has stated that wolves are going to be a definite addition, along with goblins who live in NPC Villages.

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