Height: 0.5 Blocks
Cave spiders inherit most of their behavior from regular spiders:
- Neutral under daylight or in light levels of 9 or above, otherwise they are hostile. However, once they become hostile, light does not affect them.
- Can climb walls when needed.
- Attack by leaping at their targeted entity.
- Are unaffected by cobwebs.
- Can spawn spider jockeys in the Bedrock Edition.
However, they have some distinctions from regular spiders:
- Can fit through a space that is one block wide and ½ block tall.
- Can go through the spaces between two different types of (unconnected) fences.
- Cannot spawn with status effects.
On normal or hard difficulty, cave spiders inflict
Poison upon attacking. On normal difficulty, the poison lasts for 7 seconds and can cause up to 4 () damage. On hard difficulty, it lasts for 15 seconds and can cause up to 10 () damage. Note that even on hard, poison damage is not taken when health is at 1 ().
- See also: Chunk format
Cave spiders have entity data associated with them that contain various properties of the mob. Their entity ID is
|Icon||Advancement||In-game description||Parent||Actual requirements (if different)||Internal ID|
|Adventure||Adventure, exploration, and combat||—||Kill any entity, or be killed by any entity.|
|Monster Hunter||Kill any hostile monster||Adventure||Kill one of these 24 mobs (2 added in 1.13[upcoming]). Other mobs are ignored for this advancement.|
|Monsters Hunted||Kill one of every hostile monster||Monster Hunter||Kill each of these 24 mobs (2 added in 1.13[upcoming]). Other mobs may be killed, but are ignored for the advancement.|
|1.8||1.8 Pre-release||Added cave spiders.|
|1.0.0||Cave spider's health points reduced from 20 () to 12 ().|
|1.2.1||12w06a||Cave spiders swim extremely fast with the water stream towards the player, but seem to be almost not moving against the water stream. They can also climb ice blocks.|
|1.8||14w06a||Cave spiders can no longer draw line of sight through opaque blocks, and have been given the new AI that regular spiders have recieved.|
|14w11a||Now run away from creepers that are about to explode.|
|?||Cave spiders' venom is no longer neutralized by splash potions of weakness, which may or may not be a bug.|
|1.8.1||1.8.1-pre1||No longer runs away from creepers that are about to explode.|
|1.11||16w32a||The entity ID is changed from |
|Pocket Edition Alpha|
|0.11.0||build 1||Added cave spiders.|
|0.12.1||build 1||Cave Spiders now have a walking sound.|
|build 1||Cave Spiders now drop spider eyes.|
|1.1||build 1||The entity ID is changed from |
|Poison time from attack is now based on difficulty.|
|Legacy Console Edition|
|TU5||CU1||1.0||Patch 1||Added cave spiders.|
|TU12||Cave spiders swim extremely fast with the water stream towards the player, but seem to be almost motionless against the water stream. They can also climb ice blocks.|
Issues relating to "Cave Spider" are maintained on the issue tracker. Report issues there.
- While a cave spider's hitbox is only 13.9% the volume of a normal spider's, its model's volume is 34.3% as large. The shadow is even larger: compared to the normal spider's shadow it has an area of 49%.
A cave spider and its spawner.