Sapphire Strider

Sapphire Strider is a consumable item obtainable from fishing.

Fishing
Sapphire Striders can be obtained by fishing. In order to catch Sapphire Striders, the player's hauling level has to be at least 61. Sapphire Strider have a weight of 200.

They grant 2420 xp for the Hauling skill when caught.

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

Usage
Sapphire Strider is a consumable item, and can be consumed at any time by holding the use button while holding it. Sapphire Strider offer minimal hunger and saturation but heals the player by health if consumed.

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