Well when you get higher loevels they expand it but you can only buy expanding it once!!
125 is the maximum tank size
There is a list of how many points are need for each level up to 46 on Gamezebo's Happy Aquarium strategy guide: http://www.gamezebo.com/facebook-games/happy-aquarium/walkthrough
There aren't many, but you can try happy aquarium at facebook.com
3 times a day
70 - 120 times
12
6
four
The word "happy" is said once in the word "happy."
4, 2 green and 2 yellow. But if you mate them u can have as much frog as u want (:
25 times.
3 times