I LOVE this game! Reminds me a lot of the first stage of Spore. The combination of the piano and soothing narrator make for a really calming, unique experience. I love how you can always see the next stage of fish even tho they can't interact with you. Makes for a very clear progression. I also really appreciate how each stage becomes more agile. The fact that there's a bit of education sprinkled in is really nice as well.
Plus the art and animations are absolutely perfect. Really wonderful job. 5/5 for sure