I dig the artwork. The enemy designs especially are pleasantly goofy. And the combat feels surprisingly good, which I honestly wasn't expecting since you called the game "really unfinished." It's quite satisfying to land a fish throw, haha.
I could really use some kind of indicator for where my cursor is / where a thrown fish will go. I think that would take the combat to a whole other level.
Overall, fun, goofy idea and well executed. I love the idea of just slapping enemies with a fish, although some part of me wants the fish to be floppier when I smack people with it. This really is excellent work!