The sunglass maker Costa Del Mar has a new film out about fly fishing for arapaima in Guyana. I’ve only watched the trailer but am awaiting the DVD, and it seems well worth the screening. Sure all the protagonists are wearing Costa hats and sunglasses but so be it. I love fly fishing videos that go beyond just being awesome, and actually have some weight (see Rivers of A Lost Coast, Red Gold). This one seems to. It’s based on the premise that developing a catch-and-release fly fishery for these giant freshwater fish can create an eco-tourism economy and thereby save a community and ecosystem from habitat destruction. That’s a tall order, but I’m buying into it. I give Costa props for the message.…