Tuna
From Emps-World Wiki
Tunas can be fished by players who have level 28 Fishing or higher and require level 25 Cooking to cook. Tunas are fished with Harpoons. They give the same amount of Fishing experience as Swordfishes do which is 271 experience per catch and 120 Cooking experience when cooked.
Tuna heals 10 Hitpoints.