You can write 100 tales of your own, ( and you most likely have ) but you have nothing solid or physical to show for all to observe.... It is and always will be a matter of choice to believe it or not... What you class as your knowledge, is what others may class as your delusion or belief, depending on the person. This leaves you with nothing more than a tale or two of your own and your own choice to think it is knowledge for you..All boils down to what you believe or not
Fish are not supernatural, they can be observed for all to see, just like animals..
Like many people you are confusing tranferability of evidences with the actual evidences themselves. Knowledge depends only on experiential evidence, logic ,deduction, evaluation etc. But NOT on having to share or prove that knowledge.
That was the point i was making about the fish. As soon as ONE human being had seen it, it WAS a known reality (it had been an unknown reality for thousands of years.) The fisherman could have thrown it back but he would have KNOWN it existed. He is not required to prove, or demonstrate, or even share, that knowledge to another, for it to be valid knowledge to him.