Shark can be obtained at level 90 Fishing.
This fish can be acquired by casting a fishing rod into bodies of water that indicate a 
Bass to fish at this fishing spot. Upon being caught, it gives you 14,500 exp in the Fishing skill.
Location
You can find Sharks by Fishing at the Docks south of Brightleaf Forest, and inside Mushroom Island.
Recipe
| Skill level | Item | Materials | XP | Merchant Price |
|---|---|---|---|---|
| 90 Cooking |  Cooked Shark |
1x Shark 1x Black Salt |
13,500 | 2,400 |