This game rocks! These are a few ipts that might make it even better?

1. A way to manage your fish quicker per tank. Like maybe an extra nice looking and user friendly menu showing the total number of fish, categories by types, age, hunger, PREGNANCY etc... per tank so you can sort out quicker

2. a few predatory fish that would trigger or not depending on difficulty level (that way people would have a choice)

3. a made up symbol for the currency of the Island! it would add to the immersive dimmension and so wuld different background music to choose from. I really like the little tune that comes up, I wish it was there more often