Here is the full list of all 14 Aqua Panic ! achievements.
Finish first level in Adventure mode
Save at least 1000 fish in Adventure mode or Free play mode
Save at least 2000 fish in Adventure mode or Free play mode
Save at least 4000 fish in Adventure mode or Free play mode
Save at least 6000 fish in Adventure mode or Free play mode
Save at least 8000 fish in Adventure mode or Free play mode
Save 9000 fish in Adventure mode or Free play mode
Finish spring in Adventure mode
Finish summer in Adventure mode
Finish autumn in Adventure mode
Finish winter in Adventure mode
Save 100 fish in at least 20 different levels (no additional tools allowed)
Finish 20 levels in a row in Survival mode
Finish 20 levels in a row in Random Survival mode