Minecraft wiki entry for Bone, associated text: In Bedrock Edition, salmon, cod, pufferfish, and tropical fish have 25% chance to drop 1-2 bones upon death. The maximum drop is increased by 1 to 2 per level of Looting, for a maximum of 2-8 bones with Looting III. Salmon (small and medium size) have 25% chance to drop 1 bone upon death, The maximum drop is increased by 1 to 2 per level of Looting, for a maximum of 2-7 bones with Looting III. The chance of dropping bones increases by 1% per looting level, so with Looting III there is up to a 28% chance of bones dropping.