The slippery slope fallacy posed an obstacle to my creative process. Someone else has already come up with a memorable, concrete metaphor. I suppose I could have thrown up my hands and drawn a snail at a water slide, but that would have been a cop out. This blog is about (mostly) original material. The slippery slope fallacy involves predicting that one small move, say, dropping a hook, will ignite a series of actions that lead to whale-sized results. Once you give them an inch, start down that path, open that can of worms, the worms escape and chastise you for your horrible taste in canned food. The fallacy knits causes and effects together as if they are logically connected. If they happen to be logically connected, you don't really have a fallacy. You have a valid prediction. In the case of my fish, however, fallacy abounds. The food chain doesn't always work in nesting-doll order, from large to small. Sometimes slender lampreys feed upon the skin of larger sh...