4 new mobs: Guardians, Elder Guardians, Endermites, and Rabbits.Spawn Eggs for Guardians, Endermites, and Rabbits.Prismarine Crystals and Prismarine Shards – dropped by Guardians.New variants for Fences, Fence Gates and Doors.Polished variants of Diorite, Andesite, and Granite.Becomes visible to players who are holding a barrier in their hand while in creative. Barrier Blocks – acts like Bedrock but is completely transparent.Slime Blocks – mobs and players that land on the top will bounce, like a trampoline, negating all fall damage.Dropped by Elder Guardians on player kills

Wet Sponge – obtained when a sponge soaks up water.

Sea Lantern – generate in ocean monuments, emit a light level of 15 and have a subtle animated texture.

Iron Trapdoor – can only be opened and closed using Redstone.

Prismarine, Prismarine Bricks, and Dark Prismarine – generate in Ocean Monuments.

Coarse Dirt – crafted using dirt and gravel in a 2×2 checkered pattern, and replaces the grassless dirt variant found in mega taiga, mesa and savanna biomes.

Diorite, Andesite, and Granite – variants of Stone that can be crafted and found naturally.

Minecraft elytra map city 1.8