{
  "format_version": "1.8.0",
  "minecraft:spawn_rules": {
    "description": {
      "identifier": "minecraft:axolotl",
      "population_control": "animal"
    },
    "conditions": [
      {
        "minecraft:spawns_underground": {},
        "minecraft:spawns_underwater": {},
        "minecraft:weight": {
          "default": 8
        },
        "minecraft:herd": {
          "min_size": 1,
          "max_size": 4,
          "event": "minecraft:entity_born",
          "event_skip_count": 2
        },
        "minecraft:height_filter": {
          "min": 0,
          "max": 63
        }
      }
    ]
  }
}