You can obtain this achievement within 10 minutes of first starting the game.
Start game, skip cutscene, and follow the tutorial instructions. The tutorial will show you ten different moves that your shark can perform. You will demonstrate each one, in the following order:
1. Look up and down
2. Movement
3. Consume
4. Tailwhip
5. Knifing
6. Jump
7. Submerge
8. Lunge
9. Breaching
10. Whipshot
A message will read Complete- Learning to Swim and you will earn
Complete the next two objectives:
1. Kill 10 beachgoers
2. Defeat 3 Hunter boats
A few cutscenes will play (you can skip some by holding
), and the trophy will pop.