Dace Scales

Dace Scales are a treasure.

Source
Dace Scales can be obtained as a drop from all Dace, which are as follow:
 * Cascade Dace
 * Cave Dace
 * Coeurl Dace
 * Duscaen Dace
 * Mud Dace
 * Pale Dace
 * Regal Dace
 * River Dace
 * Sandy Dace
 * Specular Dace
 * Vesper Dace
 * Wennath Dace

Catalyst
Dace Scales can be used as a catalyst in spells: