Here is the full list of all 20 Fishdom 3: Special Edition (Windows) achievements worth 200 gamerscore.
Buy 10 turtles
Create 10 matches in 10 seconds
Buy one fish of each species
Earn 1,000,000 coins
Get 10 aquariums
Receive the highest trophy for 5 beautiful aquariums.
Collect 100 artifacts
Complete 100 levels within golden time.
Complete 200 levels
Unlock bonus levels.
Gain enough Experience to reach Level 25
Collect 500 units of gold and diamonds
Get all the backgrounds for your aquarium
Use lightning 50 times
Spend 10,000 coins decorating your aquarium
Clear off 120 pieces in one move
Use all types of explosive available on a single level
Remove 1,000 pieces on a single level
Play the game for an hour
Make a chain of 3 explosive devices