These slimes are constantly getting stuck every time they spawn.
I have attached some pictures of where mobs are spawning in lit up spaces and also where mobs are spawning and getting stuck.
They are hostile mobs. The main problem is creepers, but also having problems with zombies and spiders.
The slime pictures were taken in ocean biome. Are they normally supposed to spawn there? Will the slabs also keep them from getting stuck as well? What about the other pics I sent in as well about the rest of the mobs?