That's some really good work with sound. I like both sound effects and especially music. I hope could do something similar to the main soundtrack some day.
Art is really nice too. Really ads up to retro game vibe that mixes interestingly with overall non-arcade mood of the project. For some reason I had a feeling that something is off with pixel density. This kind of feeling that you usually have when it's not consistent between different sprites, but it's not the case there, so I think it's just me, don't know where it came from
Towers is really good mechanic to add, helps to save some air by diving faster then usual. I think indication of how many wild life in danger and litter left would help me with the feeling of progress and accomplishment. I've reached the right end with freeing two fishes in a row, but I still feel like I missed something.
