Shiny Fish Scales

Creature	Level	Chance
Alpha Sharptooth Frenzy Rare elite	33	51.3%
Elder Reef Frenzy Rare elite	16	40.5%
Coilfang Emissary Rare	63	40%
Ravenous Coastal Frenzy Rare elite	17	38.1%
Coilfang Hate-Screamer Elite	71	36.9%
Ravenous Southern Sand Crawler Rare elite	42	36.9%
Monstrous Enraged Reef Crawler Rare elite	33	36.2%
Scargil Rare	30	35.6%
Vorsha the Lasher	22	34.7%
Brutal Terrorclaw Rare elite	63	34%
Bloodscale Enchantress	63-64	33%
Bloodscale Slavedriver	63-64	33%
Brutal Bogstrok Razorclaw Rare elite	63	33%
Brutal Daggerfen Servant Rare elite	63	33%
Greater Marsh Dredger Rare elite	63	33%
Hardened Bogstrok Clacker Rare elite	63	33%
Marsh Dredger	61-62	33%
Marsh Lurker	61-62	33%
Primal Marsh Lurker Rare elite	63	33%
Veteran Bogstrok Crusher Rare elite	63	33%
Tidewalker Warrior Elite	71	32.7%
Coilskar Soothsayer Elite	71	32.3%
Tidewalker Depth-Seer Elite	71	31.9%
Tidewalker Shaman Elite	71	31.9%
Raging Reef Crawler	20-21	31.6%
Savage Raging Reef Crawler Rare elite	22	31.6%
Gorloc Gibberer	70-71	31.3%
Monstrous Silt Crawler Rare elite	42	31.3%
Coilfang Fathom-Witch Elite	71	31.1%
Coilfang Enchantress Elite	62	30.7%

Coilskar Chest

29.1%

Bluegill Muckdweller	23-24	1.82%
Bluegill Murloc	20-21	0.24%

Where it comes from