Minecraft wiki entry for Sponge, associated text: 1 Obtaining
1.1 Mob loot
1.1.1 Elder guardians
1.2 Natural generation
1.3 Smelting
1.4 Drying
2 Usage
3 Sounds
4 Data values
4.1 ID
4.2 Block states
5 Achievements
6 History
6.1 Data history
7 Issues
8 Gallery
9 References