The Craw Changer is an extremely versatile fly and can be fished in both fresh and saltwater. It catches everything from trout and bass to redfish and many other saltwater species. Its unique porpoising action mimics a crawfish fleeing from its predators. Another important aspect of the changer craw is the built-in vertical drop and defensive vertical stance at rest. This is a big trigger for many predatory species. This fly has proven to be a go-to fly for when the cards are on the table and you need an ace in the hole. One of my go-to must-have flies.