You can obtain this achievement within 5 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
After you complete the last move, a message will read Complete- Learning to Swim and the trophy will pop.