RE: cross bow fishing
My Brother has one rigged up. He was able to attach the reel with a couple hose clamps. It is phenomenal for deep water shooting. I wouldn't want to digthe arrowout of the mud in shallow water. He sleeves his glass arrows with a aluminumshaft for added weight. I wouldn't recommend it for shooting in shallow water where there is a lot of action it's to hard to reset the bow and you won't be able to get the arrow out of trees or the mud.
For Deep, clear water the xbow is the most accurate deepest shooting bow I have ever seen!