Here is the full list of all 19 Salty Fish Go! achievements.
Score 5000！
Score 4500！
Score 4000
Unlock Crown Fish
Score 3500！
Score 3000！
Score 2500！
Unlock Pants Fish
Unlock Baggage Fish
Score 2000！
Score 1500！
Score 1000！
Score 500！
Score 300！
Score 100！
Score 1 !
Score 6000！
Score 8000！
Score 10000！