Bluegill Scale

Bluegill Scale is a treasure.

Source
Bluegill Scale can be obtained as a drop from the following fish:
 * Chipped Bluegill
 * Glimmering Bluegill
 * Hookhorn Bluegill
 * Horned Bluegill
 * Lotus Bluegill
 * Shorthorn Bluegill

Catalyst
Bluegill Scale can be used as a catalyst in spells: