diff --git a/api.lua b/api.lua
index dacd46f..1c0051c 100644
--- a/api.lua
+++ b/api.lua
@@ -219,12 +219,25 @@ function water_life.handle_drops(self)
     end
 end
 
+function water_life.no_spawn_of(mobname)
+	if not mobname then
+		return
+	end
+	table.insert(water_life.no_spawn_table, mobname)
+end
+
 function water_life.register_shark_food(name)
-    table.insert(water_life.shark_food,name)
+	if not name then
+		return
+	end
+    table.insert(water_life.shark_food, name)
 end
 
 function water_life.register_gull_bait(name)
-    if name then water_life.gull_bait[name] = 1 end
+    if not name then 
+		return
+	end
+	water_life.gull_bait[name] = 1
 end
 
 function water_life.feed_shark(self)
diff --git a/init.lua b/init.lua
index c11c18f..1aa35dd 100644
--- a/init.lua
+++ b/init.lua
@@ -10,6 +10,7 @@ water_life.version = "220710"
 water_life.shark_food = {}
 water_life.repellant = {}
 water_life.gull_bait = {}
+water_life.no_spawn_table = {}
 water_life.catchNet = "water_life:placeholder"
 water_life.petz = minetest.get_modpath("petz")
 water_life.mobsredo = minetest.get_modpath("mobs")
diff --git a/spawn.lua b/spawn.lua
index dbbd7a0..e33b73d 100644
--- a/spawn.lua
+++ b/spawn.lua
@@ -66,8 +66,12 @@ local function repel_insects(player)
 end
 
 local function spawn_it_here(pos, mobname)
-	
-	minetest.chat_send_all("Spawned: "..mobname);
+
+	for i = 0, #water_life.no_spawn_table, 1 do
+		if water_life.no_spawn_table[i] == mobname then
+			return
+		end
+	end
 	minetest.add_entity(pos,mobname)
 end