Raw bass: where to get it

Source	Quantity	Chance per roll
Bag of lost items []	2	Uncommon
Barrel (Viyeldi caves) [{'content': '4-10 different notes or stone spirits are dropped at once.', 'name': 'notes'}]	1–2	Rare
Crassian scout []	2–3	6/128
Crassian warrior []	2–3	6/128
Dagannoth (Ranged) []	1	5/128
Transmutation (Equilibrium League) [{'content': 'Requires appropriate material to transmute from.'}]	1–10	Special
Fishing spot (big fishing net, harpoon) (Net) []	1	Common
Flying jellyfish []	2–3	6/128
Giant Rock Crab []	1	10/128
Giant Sea Snake []	2	4/128
Ibis scroll (Fish Rain) []	1	81.46/100
Locust rider []	1	4/128
Scarab mage []	1	4/128
Scorpion []	2–3	6/128
Sea Snake Hatchling []	2	4/128
Sea Snake Young []	2	4/128
Swarm []	1	Varies
Thalassus []	1	Unknown