not sure bout ohio ... but in indiana ... ya can hunt either the indiana or kentucky side (mainstem of the river) ... ya can hunt anywhere outside of refuges, city limits, etc .... as long as you are IN the boat while huntin .... as far as species ... not sure where ya at exactly .... but with this weather lately could be pretty much anything .... thats why this duck huntin is so fun but as far as what i have seen so far this season ..... mallard, gw teal, wood duck, black duck, and pintail ....also saw a couple divers but couldnt ID cuzz of the low light