Sailback

Sailback is a consumable item obtainable from fishing.

Fishing
Sailbacks can be obtained by fishing. In order to catch Sailbacks, the player's hauling level has to be at least 9. Sailbacks have a weight of 200.

They grant 180 xp for the Hauling skill when caught.

Other methods
Sailbacks can also be obtained by opening a Fish Case.

Usage
Sailback is a consumable item, and can be consumed at any time by holding the use button while holding it. Upon being consumed, Sailback heal the player by health.

Gnawer
Sailback can be fed to a gnawer. Feeding one to a gnawer will heal health to the player and do  damage to the gnawer.

History
帆背鱼