I am playing the latest snapshot 1.16 20w16a of Minecraft in Survival Mode and Normal Difficulty(not peaceful). I have built a simple Mob Farm following an episode of pixlriffs (here is the link). For some reason, even after maintaining a distance of 24 blocks, fully covering the spawning blocks, building the spawner in ocean, There are almost no mobs spawning. Here are some screenshots taken in the game. Can anyone help me figure out the problem?

  • Are you sure there's no caves below this area? Mobs could spawn in there.
    – AMJ
    Commented Apr 21, 2020 at 12:18
  • On the screenshot it says E: 2/104, pretty sure you are hitting the mob cap. Try afk-ing about 100 blocks above the mob killing point
    – Kcats
    Commented Apr 21, 2020 at 16:00
  • Seems like Mob cap was the issue, I rebuilt the spawner at y = 194 and It's working decent, Thanks to both of you
    – EscapeCode
    Commented Apr 22, 2020 at 16:12

1 Answer 1


So, as Kcats commented, I was hitting the mob cap, so no mobs were spawning. After rebuilding the spawner at y=194, It's working at decent efficiency.

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