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