Parallel drainage pattern. A parallel drainage system is a pattern of rivers caused by steep slopes with some relief. Because of the steep slopes, the streams are swift and straight, with very few tributaries, and all flow in the same direction.
1 In Creative, the player can use spawn eggs to spawn most mobs. 2  When mobs are spawned this way, all normal spawning requirements, such as light level and block type, are ignored. 3  Any entity can be spawned using the /summon command.
Squids can spawn at any light level. However, they can only spawn in water below Y=64. They may on occasion spawn in Wells and other Player-made water sources. Squids can also be spawned using Spawn Eggs from Creative Mode.