[1.7.10] will Entity spawn?

hello guys,

I have made a mob that extends EntityCreature.

I am trying to let is spawn in the world naturally, but I am not sure this will work.

I have found a sort of link between EnumCreatureType.creature and EntityAnimal.

So is my mob able to spawn naturally?

The egg allready works.

Here is the part of myentityHandler:

public static void registerCreatures(Class entityClass, String name){
	int entityId = EntityRegistry.findGlobalUniqueEntityId();
	EntityList.entityEggs.put(Integer.valueOf(entityId), new EntityList.EntityEggInfo(entityId, 494999444, 333333333));
	EntityRegistry.addSpawn(entityClass, 20, 3, 5, EnumCreatureType.creature, BiomeGenBase.plains, BiomeGenBase.savanna, BiomeGenBase.savannaPlateau);
	EntityRegistry.registerGlobalEntityID(entityClass, name, entityId);
	EntityRegistry.registerModEntity(entityClass, name, entityId, KnokkoRPG.modInstance, 64, 1, true);
}

This is called in the initializationEvent.