Where's the baby fishes?! – Fish Tycoon Free for iPad Review

It's a good game, but when I make a fish pregnant, and I exit the game, and like open the app again 10-15 minutes later, the fish's status is not pregnant but there is NO BABY FISHES, WHY?! If this is a bug, please fix it as soon as possible. Oh and I'm using iPad one, just saying.
Review by Herry karyaning Cipto on Fish Tycoon Free for iPad.