Walvarks take a crap in those toilets. There are toilets and bathrooms on Oddworld evidence from Abe's Exoddus and Stranger's Wrath and how we read that fleeches are flushed down the toilet and into the sewers when they get to be too big and dangerous pets for Glukkons. I am guessing Slurgs eat poo which is down in the sewer or else where. Everything is connected and it starts with poop at the extreme bottom of the food chain where perhaps Squeek might be living!
