Murlocs: WoW Battle Pets

Blizzard Store 

Scenario: Island Expeditions

Approximate Drop Rate: Unknown

Promotion: BlizzCon 2010

Promotion: Blizzcon 2019

Vendor: Sir Finley Mrrgglton

Zone: Thaldraszus

Cost: 2750 (unlimited supply)

Drop: Box of Collapsed Reality

Approximate Drop Rate: Unknown

Blizzard Store 

Promotion: Blizzcon 2019

Quest: Guardian of the Smallest [1]

Zone: Grizzly Hills

Promotion: BlizzCon 2014

Promotion: BlizzCon 2009

Quest: Gurgl and the Bandit [1]

Zone: Eye of Azshara

Promotion: EU Fansite Promotion

Promotion: Blizzcon 2016

Promotion: Blizzcon 2016

Promotion: Burning Crusade Collector's Edition (EU only)

Drop: King Gakula [50]

Zone: Nazjatar

Approximate Drop Rate: Unknown

Promotion: BlizzCon 2011

Promotion: BlizzCon 2013

Promotion: Korean Promotional Event

Promotion: Blizzcon 2015

Promotion: Arena Tournament

Promotion: BlizzCon 2005

Drop: Blindlight [50]

Zone: Nazjatar

Approximate Drop Rate: Unknown

Drop: Slimy Cocoon

Zone: Nazjatar [50]

Approximate Drop Rate: 1 in 7 options

Pet Battle: [25] Azsuna

Drop: White Murloc Egg

Zone: Borean Tundra [10-30]

Drop Rate: 1 in 1

Vendor: Trading Post

Zone: Orgrimmar (H), Stormwind (A)

Cost: 300 (unlimited supply)

Promotion: Blizzcon 2023