I thought at first that in order for you to advance onto the next stage, you didn't have to go to a specific place. Well, I didn't think that, I just thought I went to the right location. Seeing as how I didn't, I guess that explains a lot. I was quite disappointed to know I had to eat more. I couldn't help but think of Pokemon or Digimon with this whole evolving stuff. I really do like the music, though.
While they aren't that detailed, the graphics are certainly good enough. This is actually a fairly original idea now that I think about it. If only there was a way to tell how many more of those fish you had to eat. Mobility is really good too. It's worth checking out.