Java Edition guides/Update Aquatic

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Update Aquatic

Java Edition

Official name

Update Aquatic

Released versions

1.13 •  1.13.1 •  1.13.2

This guide is a simplified overview of all the changes in Update Aquatic (Java Edition 1.13.x releases), which assumes at least some familiarity with the World of Color Update (Java Edition 1.12.x releases).



Several new mobs are added to the game. Here is a list of the mobs to look out for:

Name Image Habitat Drops Note
All oceans except for Frozen oceans
Any beaches except for cold beaches
  • Turtles can be bred with seagrass. After mating, one turtle travels back to its home beach to lay its eggs, regardless of the distance.
  • Baby turtles drop one scute when they grow into an adult.
Fish Cod.pngSalmon.pngPufferfish small.pngClownfish.png
  • Cod – cold, warm, and lukewarm oceans, including deep variants.
  • Salmon – Cold and frozen oceans, and normal and frozen rivers.
  • Tropical fish and Pufferfish – Lukewarm and warm oceans.
  • Each type drops one fish item of the same type as itself. All tropical fish variants drop the same tropical fish item.
  • Bone Meal (0–1)
  • 1–3 (when killed by a player or tamed wolf)
  • Fish group together with other fish of the same type, forming small schools.
  • All fish types can be captured with a bucket of water, becoming a bucket of fish. Tropical fish retain their type when captured and placed again.
Drowned spawn in all ocean, swamp and river biomes. Additionally, groups of drowned spawn in ocean ruins when the structures are first generated.

Spawned Equipment

  • During the day, drowned stay on the ground underwater, ignoring players on land no matter how close they may get.[verify]
Phantoms spawn at night and during thunderstorms high above players who are above sea level, have no obstructions above them, and have not entered a bed for at least three ingame days.
  • Phantoms are the fastest mob in the Overworld. Players are unable to outrun them. A good strategy versus phantoms is to obstruct their path, since they fly up if they collide with any block during an attack.
  • Cats hiss at phantoms that are currently attacking players, and phantoms try to stay at least 16 blocks away from them.
  • Phantoms do not spawn if the player has a solid block above them, meaning they do not spawn around players underground or within enclosed structures. Additionally, they do not spawn if the player is below sea level.
  • Sleeping through the night is not actually required. The statistic that controls their spawning is reset when the player leaves a bed, so simply entering and then leaving a bed is enough.


Name Image Changed
All undead mobs Drowned.pngZombie Revision 1.pngHusk JE1 BE1.pngZombie Nitwit.pngZombified Piglin JE4.pngSkeleton Revision 5.pngStray JE1 BE3.pngWither Skeleton Revision 3.pngSkeleton Horse Revision 2.pngZombie Horse Revision 2.pngWither Revision 1.png
Husk JE1 BE1.png

Baby Husk JE1 BE1.png
  • Husks turn into zombies when underwater for a period of time.
Zombie Revision 1.png

Baby Zombie Revision 1.png
  • Zombies and baby zombies convert into drowned after being underwater for at least 30 seconds.
  • Baby zombies now burn in daylight like other undead mobs.
Squid Revision 1.png
  • Squid now release ink when injured by the player.
  • Squid now spawn only in rivers, oceans, and beaches.



Name Image Obtaining Tool Required Uses
Wood Oak Wood Axis Y JE3 BE1.pngSpruce Wood Axis Y JE1 BE1.pngBirch Wood Axis Y JE1 BE1.pngJungle Wood Axis Y JE1 BE1.pngAcacia Wood Axis Y JE2 BE1.pngDark Oak Wood Axis Y JE2 BE1.png
Ingredients Crafting recipe
Matching Log
Can be broken with any tool as well as by hand, but fastest with an axe.
  • Can be used as a decorative block.
  • Can be crafted into planks of the same wood type.
Stripped Log Stripped Oak Log Axis Y JE1 BE1.pngStripped Spruce Log Axis Y JE1.pngStripped Birch Log Axis Y JE1 BE1.pngStripped Jungle Log Axis Y JE1 BE1.pngStripped Acacia Log Axis Y JE1 BE1.pngStripped Dark Oak Log Axis Y JE1.png Can be obtained by right clicking any log with any tier of axe, this consumes one durability on the axe. Can be broken with any tool as well as by hand, but fastest by axe.
  • Can be used as a decorative block.
  • Can be crafted into planks of the same wood type.
Blue Ice
Blue Ice JE1 BE1.png
Ingredients Crafting recipe
Packed Ice

  • Additionally blue ice can be found naturally as part of icebergs.
Can be broken with any pickaxe enchanted with Silk Touch.
  • Can be used as a decorative block. Like packed ice, blue ice does not melt.
  • Blue ice has the lowest friction compared to any other block, including packed and regular ice.
Conduit JE1 BE1.png
Ingredients Crafting recipe
Nautilus Shell +
Heart of the Sea

Can be broken with any tool. Conduits give the Conduit Power status effect when powered.
Click on the link to the Conduit page listed to the left for more information
Coral, Dead Coral,
Coral Fan,
Dead Coral Fan,
Coral Block,
and Dead Coral Block

Tube Coral JE1 BE1.pngBrain Coral JE1 BE1.pngBubble Coral JE1 BE1.pngFire Coral JE2 BE1.pngHorn Coral JE1 BE1.png
Dead Tube Coral JE1 BE1.pngDead Brain Coral JE1 BE1.pngDead Bubble Coral JE1 BE1.pngDead Fire Coral JE1 BE1.pngDead Horn Coral JE1 BE1.png
Tube Coral Fan.pngBrain Coral Fan.pngBubble Coral Fan.pngFire Coral Fan.pngHorn Coral Fan.pngTube Coral Wall Fan.pngBrain Coral Wall Fan.pngBubble Coral Wall Fan.pngFire Coral Wall Fan.pngHorn Coral Wall Fan.png
Dead Tube Coral Fan.pngDead Brain Coral Fan.pngDead Bubble Coral Fan.pngDead Fire Coral Fan.pngDead Horn Coral Fan.pngDead Tube Coral Wall Fan.pngDead Brain Coral Wall Fan.pngDead Bubble Coral Wall Fan.pngDead Fire Coral Wall Fan.pngDead Horn Coral Wall Fan.png
Tube Coral Block JE2 BE1.pngBrain Coral Block JE2 BE1.pngBubble Coral Block JE2 BE1.pngFire Coral Block JE2 BE1.pngHorn Coral Block JE2 BE2.png
Dead Tube Coral Block JE2 BE1.pngDead Brain Coral Block JE2 BE1.pngDead Bubble Coral Block JE2 BE1.pngDead Fire Coral Block JE2 BE1.pngDead Horn Coral Block JE2 BE1.png

  • Coral, coral fans, and coral blocks can be found in coral reefs.
  • Coral and coral fans can be obtained by applying bone meal to dirt, coarse dirt, sand, red sand, or gravel underwater in a warm ocean biome.
  • Dead coral, dead coral fans, and dead coral blocks can be obtained by placing their living variety in any area not directly adjacent to water.
  • Alternatively dead coral blocks can be obtained by being mined with a pickaxe not enchanted with Silk Touch.
  • Coral, dead coral, coral fans, and dead coral fans can be broken with any tool as well as by hand.
  • Coral blocks can be mined with any pickaxe enchanted with Silk Touch.
  • Dead coral blocks can be mined with any pickaxe.
Can be used as decorative blocks.
Dried Kelp Block
Dried Kelp Block JE1 BE2.png
Ingredients Crafting recipe
Dried Kelp

Can be broken by hand.
  • Can be crafted into nine dried kelp.
  • Can be used as a fuel in a furnace; can smelt twenty items.
Kelp JE3 BE2.gif
Can be obtained by breaking kelp plants. Can be broken by any tool as well as by hand.
  • Can be broken to obtain kelp items.
Prismarine Stairs,
Dark Prismarine Stairs,
and Prismarine Brick Stairs

Prismarine Stairs (N) JE1 BE1.pngDark Prismarine Stairs (N) JE1 BE1.pngPrismarine Brick Stairs (N) JE1 BE1.png

Ingredients Crafting recipe
Prismarine or
Dark Prismarine or
Prismarine Bricks
Prismarine Stairs
Can be broken with any pickaxe. Can be used as decorative blocks.
Prismarine Slab,
Dark Prismarine Slab,
and Prismarine Brick Slab

Prismarine Slab JE1 BE1.pngDark Prismarine Slab JE1 BE1.pngPrismarine Brick Slab JE1 BE1.png

Ingredients Crafting recipe
Prismarine or
Dark Prismarine or
Prismarine Bricks
Prismarine Slab
Can be broken with any pickaxe.
  • Can be used for decoration.
Pumpkin JE1 BE1.png
  • Now generates throughout the world without carved faces on any sides.
  • Can be grown using pumpkin seeds.
Can be broken with any tool as well as by hand, but fastest by axe.
  • Can be used for everything the pumpkin could be used for previously, except for being worn.
Purple Shulker Box
Purple Shulker Box.png
Ingredients Crafting recipe
Shulker Box +
Purple Dye

Can be broken with any tool as well as by hand.
  • Used in the same way as all other Shulker boxes.
  • Has a darker purple color than the non-dyed variant.
Sea Pickles

Sea Pickle 1 JE1 BE1.pngSea Pickle 2 JE1 BE1.pngSea Pickle 3 JE1 BE1.pngSea Pickle 4 JE1 BE1.pngSea Pickle 1 Dry JE1 BE1.pngSea Pickle 2 Dry JE1 BE1.pngSea Pickle 3 Dry JE1 BE1.pngSea Pickle 4 Dry JE1 BE1.png

  • Can be found in warm oceans as well as part of coral reefs.
  • Can be grown by placing one sea pickle on a coral block underwater and applying bonemeal to the sea pickle.
Can be broken with any tool as well as by hand.
  • Can be used for decoration.
  • Emits 3 light levels for every sea pickle in the block while underwater, does not emit light while outside of water.
Turtle Eggs

Turtle Egg 1.pngTurtle Egg 2.pngTurtle Egg 3.pngTurtle Egg 4.pngTurtle Egg 4 (Slightly cracked).pngTurtle Egg 4 (Very cracked).png

Can be obtained by breeding two turtles Can be broken by any pickaxe enchanted with Silk Touch.
  • Can be used as a decorative block.
  • Hatches into baby turtles.


Name Image Changed
Most of the semi-transparent blocks Most of the semi-transparent blocks can now have water placed within them by right clicking them with a water bucket
Carved pumpkin
Carved Pumpkin JE3 BE2.png
  • Name changed from pumpkin to carved pumpkin.
  • Now obtained by using shears on a pumpkin to carve the face into a side.
  • Can no longer be used to craft pumpkin pie.
Shulker Box Shulker Box.png
  • Purple shulker box is now a regular shulker box.
  • Purple shulker box can be crafted with a shulker box and purple dye.
  • Shulker boxes can now be undyed with cauldrons, similar to leather armor.
Packed Ice
Packed Ice JE1 BE2.png
  • Packed ice can now be crafted with nine ice.



Name Image Obtaining Uses
Buried Treasure Map Map (item) JE1 BE1.png Can be found in underwater ruins loot chests. Can be used to find buried treasure.
Heart of the Sea
Heart of the Sea JE1 BE2.png
Can be found in all buried treasure chests in stacks of one. One of the ingredients for crafting the conduit.
Kelp and
Dried Kelp
Kelp (item) JE1 BE2.png

Dried Kelp JE1.png
  • Kelp can be found growing underwater in all ocean biomes.
  • Dried kelp is obtained by smelting kelp in a furnace, or by placing a dried kelp block in a crafting grid and crafting it back into nine dried kelp.
  • Kelp can be smelted in a furnace to obtain dried kelp.
  • Dried kelp can be eaten to regain one hunger point. It can be eaten faster than any other food.
  • Dried kelp can also be crafted into a dried kelp block.
Nautilus Shell
Nautilus Shell JE1 BE2.png
  • Drowned occasionally spawn holding a nautilus shell in their off-hand, which they drop when killed.
  • Can be caught as a treasure item from fishing.
One of the ingredients for crafting the conduit.
Phantom Membrane
Phantom Membrane JE1 BE1.png
Dropped by phantoms when killed.
Scute JE1 BE1.png
Dropped by baby turtles when growing into an adult. Can be used to craft a turtle shell.
Can be dropped by drowned as part of their naturally spawned equipment.
  • Used as a melee or ranged weapon.
  • Most effective weapon underwater.
  • When enchanted with Channeling, it can be used to turn creepers into charged creepers, pigs into zombie pigmen, and villagers into witches during thunderstorms.
  • When enchanted with Impaling, it does more damage to aquatic mobs (excluding drowned).
  • When enchanted with Loyalty, it returns to the player when thrown.
  • When enchanted with Riptide, it takes the player with it when thrown underwater or in rain.
Turtle Shell
Turtle Shell.png
Ingredients Crafting recipe


Name Image Changed
Elytra JE1 BE1.png

Broken Elytra (item) JE1 BE1.png
Elytra now requires the phantom membrane to be repaired.



Name Obtaining Effects
Potion of Slow Falling
Ingredients Brewing recipe
Phantom Membrane +
Awkward Potion

Potion of Slow Falling
Slow Falling
Potion of the Turtle Master
Ingredients Brewing recipe
Turtle Shell +
Awkward Potion

Potion of the Turtle Master



Enchantment Max Level Applicable Items Notes
Impaling V
  • Increases damage against aquatic/wet mobs.
Channeling I
  • Causes a lightning strike where the trident hits.
Loyalty III
  • Causes the trident to return to the owner once thrown.
Riptide III
  • Allows the player to propel themselves through water and precipitation.



Name Image Description Structures
Cold Ocean
Cold Ocean.png
Like the frozen ocean, this ocean variant has a gravel seabed, with the occasional patch of sand or dirt. Additionally this ocean biome has dark indigo water. It is home to kelp, seagrass, cod, salmon, and dolphins.
Cold Deep Ocean
Deep Cold Ocean.png
Cold deep oceans are the same as cold oceans, with the exception that they are twice as deep, as well having the potential to generate ocean monuments.
Frozen Ocean
Frozen Ocean.png
A partially frozen area of ocean, with large, broken up sheets of ice covering the water. This variant of ocean has a gravel seabed and is home to kelp, seagrass, squid, salmon, strays, and polar bears.
  • Cold underwater ruins
  • Shipwrecks
  • Icebergs
Frozen Deep Ocean
Deep Frozen Ocean.png
Essentially the same as the frozen ocean biome, but is deeper and able to generate ocean monuments.
  • Cold underwater ruins
  • Shipwrecks
  • Icebergs
  • Ocean monuments
Lukewarm Ocean
Lukewarm Ocean.png
This ocean variant can be recognized by its light teal water and sandy seabed. It is home to kelp, seagrass, pufferfish, dolphins, tropical fish, and cod.
  • Warm underwater ruins
  • Shipwrecks
Deep Lukewarm Ocean
Deep Lukewarm Ocean.png
Similar to the lukewarm ocean, but twice as deep and can generate ocean monuments.
  • Warm underwater ruins
  • Shipwrecks
  • Ocean monuments
Warm Ocean
Warm Ocean.png
An ocean variant with bright teal water at the surface. It can contain coral reefs, sea pickles, seagrass, dolphins, tropical fish and pufferfish.
Small End Islands
Small End Islands.png
This biome is part of the outer End islands. They're between the bigger islands, which can be accessed easily by End gateway portals.

Music tracks[edit]

Note: these track previews have been shortened to 30 seconds on the wiki due to an agreement with the author to allow them on the wiki


Filename Gameplay Soundtrack Title Track Preview
Axolotl Underwater "Axolotl"
Dragon Fish Underwater "Dragon Fish"
Shuniji Underwater "Shuniji"


The physics for water have also been changed, and the way the player interacts with water has also changed.


There is now an actual swimming animation used by the player while underwater, which can be activated by sprinting underwater. This also allows the player to move in any direction they are looking including down. Players who cannot sprint, i.e. are too hungry to sprint, cannot swim. Crouching underwater also allows the player to descend at a faster rate.

While swimming, players can go through one block gaps similar to when using an elytra.

Item and Experience[edit]

Items and experience orbs now float to the surface of water rather than sink, this makes dying underwater easier to deal with because all of the player's items now wait at the surface. This also allows for easy vertical item transportation.

Bubble Columns[edit]

For more detailed information see Bubble Columns.

Magma and soul sand now make bubble columns when placed underwater. Magma naturally generates in underwater ruins and where underwater ravines meet lava, while soul sand does not currently generate naturally in oceans. Players are able to breathe while in bubble columns.

Magma bubble columns pull things down to the bottom; this includes items, players, mobs, and boats. Soul sand bubble columns rapidly push all entities, including players, to the surface.


The breath meter no longer instantly refills when entering air from underwater; this means it is no longer possible to instantly refill the air meter with a torch while underwater.


Water has been given unique colors depending on the biome they are in.

Water is also now clearer, and the longer the player is underwater the clearer it becomes.