Awesome artwork! My favorite fish was the AGlowination haha. And Blob too I think, it's a great nod to an actual fish.
I think the game could use better explanation on how to engage with its mechanics. I find myself being a bit too confused on how to mix the ingredients or inversion and everything haha. So I ended up just kinda messing around to see what shows up.
The music is nice. I think I would have liked to see bit more sound effects on the different interactable items in the game.
It's a nice game considering it's your first game jam. Good job!