It doesn't happen often, but sometimes the real stuff beats the expectations. I find it happens most below sea level. Don't think about it too hard. Do it, be amazed, and don't talk too much about it. Here's a little glimpse into my world.

Photos by Pat McMurtry (Left: Off Tern Is. in the San Juans. Right: Octopus in Puget Sound. Below left: Barnacles in Nakwakto Rapids)