{
  "modifiers": [
    {
      "type": "entries",
      "config": {
        "entries": [
          {
            "type": "minecraft:item",
            "conditions": [
              {
                "condition": "minecraft:any_of",
                "terms": [
                  {
                    "condition": "minecraft:location_check",
                    "predicate": {
                      "biome": "minecraft:swamp"
                    }
                  },
                  {
                    "condition": "minecraft:location_check",
                    "predicate": {
                      "biome": "minecraft:river"
                    }
                  }
                ]
              }
            ],
            "name": "upgrade_aquatic:pike",
            "weight": 11
          },
          {
            "type": "minecraft:item",
            "conditions": [
              {
                "condition": "minecraft:location_check",
                "predicate": {
                  "biome": "alexscaves:primordial_caves"
                }
              },
              {
                "condition": "minecraft:location_check",
                "predicate": {
                  "biome": "minecraft:swamp"
                }
              }
            ],
            "name": "upgrade_aquatic:perch",
            "weight": 18
          },
          {
            "type": "minecraft:item",
            "conditions": [
              {
                "condition": "minecraft:location_check",
                "predicate": {
                  "biome": "minecraft:warm_ocean"
                }
              }
            ],
            "name": "upgrade_aquatic:lionfish",
            "weight": 5
          }
        ],
        "index": 0,
        "replace": false
      }
    }
  ],
  "priority": "normal",
  "selector": "minecraft:gameplay/fishing/fish"
}