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It has been suggested that this page be split into Swamp and Mangrove Swamp. [discuss]
If this split may potentially be controversial, do not split until a consensus has been reached.
Reason: Reasons for and against are on the talk page.

A swamp is a temperate biome where swamp huts containing witches and black cats generate, slimes and frogs can spawn. The main biome is forested with oak trees covered with vines, dead bushes, mushrooms and blue orchids.

Description[]

Swamps have elevations low enough to go below sea level throughout much of the area. A large portion of swamps are flooded, where patches of clay are found on the lakebed. Dry areas of this biome feature relatively flat terrain with a few tall grass and sparse oak trees. Water in swamps takes on a gray-green color at the surface, turning pale yellow when submerged in it. Unlike other Overworld biomes, swamps have varying temperatures, which affects the color of grass blocks, grass and leaves. Swamp vegetation includes dead bushes, mushrooms and oak trees which can grow in shallow water and generate with vines growing on them. Sugar cane is found often growing on shores, while seagrass litters the bottom of flooded areas. Besides dandelions and poppies, blue orchids grow among the grass while lily pads dot the surfaces of lakes; both are found exclusively in swamps. In Bedrock Edition, huge mushrooms can generate as well.

A swamp may include a swamp hut, housing a witch and a black cat. Only witches can spawn in and around the hut. Swamps, alongside deserts, can generate fossils, fairly rare structures found underground.

Slimes may spawn in swamps at low light levels exclusively between elevations of Y=50 and Y=70. Their spawn rate is affected by the moon phase, spawning most often during full moon and not spawning at all during new moon.

Villagers that spawn in swamps get a unique swamp-themed look. While villagers have swamp-specific types, no village featuring exclusively these villagers can be generated. The only way for these villagers to spawn is either by being bred in swamp or curing a zombie villager that spawned in a swamp.

Swamp biomes are usually found in flat terrain near sea level in regions with very high erosion values and they also replace rivers in these areas. Swamps can be found in many temperature clusters with the exception of snowy regions.

Variants[]

For variants exist before 1.18, see Biome/Before 1.18.

Although this biome currently has only a single variant, one removed variant (swamp hills) could be found in previous versions as well as one upcoming variant (Mangrove Swamp) in the wild update.

Swamp[]

Swamp
Swamp.png
Type

Lush/Temperate

Rarity

Uncommon

Temperature

0.8 (default; varies within swamp)

Structures

Swamp Huts
Fossils
Swamp Oak
Huge Mushrooms[BE only]

Blocks

Grass Block
Water
Lily Pad
Seagrass
Clay
Vines
Oak Log
Oak Leaves
Blue Orchid
Mushrooms
Dead Bush[JE only][1]

Grass color


 #6A7039
(temperature ≥ 0.1)

 #4C763C
(temperature < 0.1)

Foliage color


 #6A7039

Water color


 #617B64
[JE only]

 #4C6559
[BE only]

Underwater fog color


 #232317
[JE only]

 #4C6559
[BE only]

The swamp biome is the standard swamp variety. In Java Edition, some parts of the swamp may have marsh-like terrain, where the grass has multiple single blocks of water generating within it. At nighttime, depending on the moon phase, slimes may spawn at Y-levels 50-70 alongside other hostile mobs, making swamps the only places aboveground where slimes can be found. Swamp huts and fossils structures also generate in this biome.

In Java Edition :

MobSpawn chanceGroup size
Underground water creature category
Glow Squid10102–4
Passive category
Sheep12404
Pig10404
Chicken10404
Cow8404
Hostile category
Spider100517.254
Zombie95517.254
Zombie Villager5517.251
Skeleton100517.254
Creeper100517.254
Slime[note 1]100517.254
Enderman10517.251–4
Witch5517.251
Slime[note 1]1517.251
Spider Jockey1517.251
Chicken Jockey0.25517.251
Ambient category
Bat10108
  1. a b Spawning is greatly affected by moon phase

In Bedrock Edition :

MobSpawn chanceGroup size
Passive category
Sheep12402–3
Pig10401–3
Chicken10402–4
Cow8402–3
Hostile category
Spider100596.251
Zombie95596.252–4
Zombie Villager5596.252–4
Skeleton80596.251–2
Creeper100596.251
Slime[note 1]100596.251
Enderman10596.251–2
Witch5596.251
Slime[note 1]100596.251
Spider Jockey1596.251
Chicken Jockey0.25596.251
Ambient category
Bat10102
  1. a b Spawning is greatly affected by moon phase


Upcoming variant[]

Mangrove swamp[]

Crafting Table JE4 BE3.png
This article describes content that may be included in Java Edition and Bedrock Edition. 
This content has appeared in Java Edition 1.19 and Bedrock Edition 1.19.0 development versions, but the full update containing it has not been released yet.
Mangrove swamp
Mangrove Swamp.png
Type

Lush/Temperate

Rarity

Uncommon

Temperature

0.8 (default; varies within swamp)

Structures

Mangrove tree

Blocks

Mangrove Leaves
Mangrove Log
Moss carpet
Mangrove Roots
Muddy Mangrove Roots
Vines
Mangrove Propagule
Bee Nest
Mud
Grass Block
Grass
Dead Bush
Water
Lily Pad
Seagrass

Grass color


 #6A7039


 #4C763C
(temperature < 0.1)

Foliage color


 #8DB127

Water color


 #3A7A6A

Underwater fog color


 #4D7A60

The mangrove swamp is a variant of the swamp biome that generates in warmer regions, usually next to jungles and deserts. The foliage in this biome is very dense featuring plenty of mangrove trees which vary a lot in height. The floor is mainly composed of mud blocks with occasional grass patches. The grass has the same color as the normal swamp but leaves and vines have a unique light green tint and the water is teal rather than gray. Frogs are the only passive animals that spawn in this biome and all frogs spawned here are warm frogs.

MobSpawn chanceGroup size
Passive category
Warm Frog10102–5
Water ambient category
Tropical Fish25258
Underground water creature category
Glow Squid10102–4
Ambient category
Bat10108
Hostile category
Spider1004174
Zombie954174
Zombie Villager54171
Skeleton1004174
Creeper1004174
Enderman104171–4
Witch54171
Slime14171
Spider Jockey14171

Data values[]

ID[]

Java Edition:

NameIdentifierTranslation key
Swampswampbiome.minecraft.swamp

Bedrock Edition:

NameIdentifierNumeric ID
[No displayed name]swampland6

History[]

Java Edition Alpha
v1.2.0previewAdded proper biomes, including swamps. However, the biome itself was completely different from its modern counterpart.
Forests are defined by having a rainfall value of 40% or greater and a temperature value between 50% and 70%.
Java Edition Beta
1.8September 3, 2011Notch teased a screenshot of the new swamp biome, with oak trees with vines.
Pre-releaseSwamp biome generation has been overhauled. Swamp oak trees, vines, marsh-like areas and dead bushes now generate. Foliage and grass is now a lush green color, akin to forests.
Snow layers no longer generates in swamps.
Java Edition
1.0.0Beta 1.9 PrereleaseGrass, leaves and water blocks are now tinted a grayish green on swamps. However, this change resulted in biome color and biome transitions becoming essentially nonexistent.
Lily pads now generate in swamps.
1.112w01aColor transitions in swamp biomes have been fixed and have been smoothed.
1.4.212w40aAdded witch huts, which may generate in swamps.
Slimes now spawn in swamp biomes.
1.7.213w36aSwampland M variant added, along with many other biomes. Its grass color now varies.
13w38bMarsh-like areas and dead bushes no longer generate in swamp biomes.
1.814w26aMarsh-like areas and dead bushes generate in swamp biomes again.
1.1016w20aAdded fossils, which can generate in swamps.
1.1318w14aSeagrass now generates in swamps.
18w15aSwamp Water.pngSwamp Hills Water 18w15a.png Changed the tint of water in the swamp biomes from blue to gray to match Bedrock Edition. However, mutated swamps still use the same tint, resulting in chlorine-colored water.
18w16a"Swampland M" has been renamed to "Mutated Swampland".
18w19a"Swampland" has been renamed to "Swamp".
"Mutated Swampland" has been renamed to "Swamp Hills".
pre3Swamp Water.png Swamp hills now use the correct water color.
pre5The ID swampland has been changed to swamp.
The ID mutated_swampland has been changed to swamp_hills.
September 28, 2019During MINECON Live 2019, the swamp came in second place in the Biome Vote; mangrove trees, boats with chests, and frogs would be added.
1.1418w43aDrowneds no longer spawn in swamps.
1.18Experimental Snapshot 1Swamp hills no longer generate naturally.
Swamp biomes currently do not generate correctly.
experimental snapshot 2Swamp biome generation has been fixed.
experimental snapshot 3Swamps are less likely to overlap cold or dry biomes.
Hanging water is no longer placed in swamps.
experimental snapshot 4Swamps are less likely to extend far out from the coastline.
experimental snapshot 5Swamps have been moved slightly more inland.
Swamp oak trees are now able to generate in slightly deeper water than before.
experimental snapshot 6Swamps are now able to generate in dry areas, making them less fragmented overall.
21w40aThe swamp hills biome has been removed.
October 16, 2021The Wild Update was announced at Minecraft Live 2021, showing in-game clips of previously-announced Biome Vote content, along with new features such as mud, fireflies, tadpoles, and frogs.
Upcoming Java Edition
1.1922w11aAdded frogs, which spawn in swamps.
22w14aAdded mangrove swamps.
22w15aMud generates all the way from the surface down to stone in mangrove swamps.
Large mangrove trees are much more common than smaller ones, making navigation through mangrove swamps much easier overall.
Tropical fish now spawn in mangrove swamps.
Moss carpets can generate on top of mangrove roots.
The water fog color has been changed to match the color of the water of mangrove swamps.
Pre-release 1Reduced the amount of trees in the mangrove swamp.
Pocket Edition Alpha
v0.9.0build 1Added swamps and swamp hills, along with many other biomes.
v0.10.0build 1The water in swamps is now tinted dark gray.
Huge mushrooms now generate in swamps.
?Marsh-like areas no longer generate in swamps.
v0.14.0build 1Added witch huts, which generate in swamps.
Pocket Edition
1.1.3alpha 1.1.3.0Added fossils, which generate in swamps.
Bedrock Edition
1.4.0beta 1.2.13.8Added drowned, which can spawn in swamps.
1.10.0beta 1.10.0.3Drowned no longer spawn in swamps during the day.
Wild Update (experimental)beta 1.18.10.24Added frogs, which spawn in swamps.
Upcoming Bedrock Edition
1.19.0beta 1.19.0.20Added mangrove swamps.
beta 1.19.0.24Mud generates all the way from the surface down to stone in mangrove swamps.
Large mangrove trees are much more common than smaller ones, making navigation through mangrove swamps much easier overall.
Tropical fish now spawn in mangrove swamps.
Moss carpets can generate on top of mangrove roots.
Water color is now cyan instead of yellow like in the normal swamp..
Legacy Console Edition
TU5CU1 1.00 Patch 11.0.1Added swamps.
TU9Color transitions within swamps have been smoothed.
TU19CU7 1.12 Added witch huts, which generate only in swamps.
TU31CU19 1.22 Patch 3Added Swampland M variant.
Generation of marsh-like areas in swamp biomes has been changed.
TU43CU33 1.36 Patch 13Added fossils, which can generate in swamps.

Gallery[]

See also[]

References[]

  1. MC-169563 – resolved as "Works As Intended"
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