Full list of all 11 My Aquarium trophies - 6 bronze, 4 silver and 1 gold. It takes around 1-2 hours to unlock all of the trophies on PlayStation 3.
Added 10 or more fish.
Added a Yellow Piranha.
Fed 1 fish to another fish.
Viewed a special date light show.
Fed 10 or more fish to other fish.
Bred successfully at least 5 times.
Put fish in all 6 aquariums and added objects.
Bred successfully at least 20 times.
Placed 100 fish in a tank at the same time.
Placed 25 different types of fish in a tank at the same time.
Unlocked all fish.