Fish can climb trees, well this one shown above can and the Mudskipper has flexible fins which allows it to climb up tree roots and on to trees if it has to.
The saying is credited to Einstein, but some believe he didn't actually give this quote, though in popular myth he did. It is a weird thing to say really, because it doesn't really prove anything. I suppose it is an interesting thought, though.
The books above are about two completely different things. One is about dyslexia and the other, written some years later by a different author is about the astrological associations of people, which place them in different characteristic groups. But anyway this fish is up a tree.
