diff --git a/engine/src/worlds/collections/aquatic/biomes.json b/engine/src/worlds/collections/aquatic/biomes.json
deleted file mode 100644
index 5af0e600..00000000
--- a/engine/src/worlds/collections/aquatic/biomes.json
+++ /dev/null
@@ -1,117 +0,0 @@
-{
-  "collection": "aquatic",
-  "biomes": [
-    {
-      "id": "deep_ocean",
-      "name": "Deep Ocean",
-      "color": [0.08, 0.15, 0.42],
-      "category": "water",
-      "tags": ["is_water"],
-      "temp_range": [0.0, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 4],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.0, "fungi": 0.0 },
-      "fauna_capacity": 8,
-      "substrate_types": ["deep_water"],
-      "food_web_tier": "secondary"
-    },
-    {
-      "id": "shallow_ocean",
-      "name": "Shallow Ocean",
-      "color": [0.18, 0.38, 0.72],
-      "category": "water",
-      "tags": ["is_water"],
-      "temp_range": [0.0, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 5],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.3, "fungi": 0.0 },
-      "fauna_capacity": 12,
-      "substrate_types": ["shallow_water"],
-      "food_web_tier": "tertiary"
-    },
-    {
-      "id": "coral_reef",
-      "name": "Coral Reef",
-      "color": [0.15, 0.62, 0.58],
-      "category": "water",
-      "tags": ["is_water", "is_coast"],
-      "temp_range": [0.55, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 5],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.6, "fungi": 0.1 },
-      "fauna_capacity": 20,
-      "substrate_types": ["shallow_water"],
-      "food_web_tier": "quaternary"
-    },
-    {
-      "id": "estuary",
-      "name": "Estuary",
-      "color": [0.25, 0.45, 0.52],
-      "category": "water",
-      "tags": ["is_water", "is_wetland"],
-      "temp_range": [0.2, 0.8],
-      "moisture_range": [0.6, 1.0],
-      "quality_range": [1, 4],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.5, "fungi": 0.05 },
-      "fauna_capacity": 14,
-      "substrate_types": ["shallow_water"],
-      "food_web_tier": "tertiary"
-    },
-    {
-      "id": "lake",
-      "name": "Lake",
-      "color": [0.22, 0.50, 0.78],
-      "category": "water",
-      "tags": ["is_water"],
-      "temp_range": [0.0, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 4],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.3, "fungi": 0.02 },
-      "fauna_capacity": 10,
-      "substrate_types": ["lake_bed"],
-      "food_web_tier": "secondary"
-    },
-    {
-      "id": "pond",
-      "name": "Pond",
-      "color": [0.38, 0.62, 0.82],
-      "category": "water",
-      "tags": ["is_water"],
-      "temp_range": [0.0, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 2],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.15, "fungi": 0.01 },
-      "fauna_capacity": 3,
-      "substrate_types": ["lake_bed"],
-      "food_web_tier": "primary"
-    },
-    {
-      "id": "river",
-      "name": "River",
-      "color": [0.25, 0.48, 0.80],
-      "category": "water",
-      "tags": ["is_water"],
-      "temp_range": [0.0, 1.0],
-      "moisture_range": [0.0, 1.0],
-      "quality_range": [1, 3],
-      "flora_climax": { "canopy": 0.0, "undergrowth": 0.2, "fungi": 0.01 },
-      "fauna_capacity": 6,
-      "substrate_types": ["shallow_water"],
-      "food_web_tier": "secondary"
-    },
-    {
-      "id": "mangrove",
-      "name": "Mangrove",
-      "color": [0.12, 0.35, 0.42],
-      "category": "coastal",
-      "tags": ["is_water", "is_wetland", "has_vegetation", "is_coast"],
-      "temp_range": [0.55, 1.0],
-      "moisture_range": [0.7, 1.0],
-      "quality_range": [1, 4],
-      "flora_climax": { "canopy": 0.6, "undergrowth": 0.5, "fungi": 0.15 },
-      "fauna_capacity": 14,
-      "substrate_types": ["wetland"],
-      "food_web_tier": "tertiary"
-    }
-  ]
-}