Ever wonder how much energy it took for fish to grow legs? Answer: A lot.

Why do you already know this? Because while you're not growing legs, you are growing something ... and dare I surmise that "growing" anything takes a whole lot of energy.

But since you probably hate this metaphor, I'll make my 2nd point quickly: Those fish were probably STRESSED OUT trying to get out of the pond and onto land. Could be that they were, indeed, even chased out. Even worse, they probably had no idea that they were growing legs...more: http://tinyurl.com/4kpt5d