The current seafuries on Green are that of blue's change. Alot of changes (both system and mob/loot) that were made to blue over the course were affixed to Green from the get-go. I too thought they might mimmick their "Adjustments" over time but does not seem the case.
I've probably killed 100-120 seafuries since I hit 50 and I can confirm I've gotten maybe 7-8 Fire Opals, 10 star ruby, 8 sapphire and a handful of fire emerald + vendor gems --- they drop nothing but toes/mugs >50% of the time.
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