At 00:48, video of the Japanese Spider Crab, or the Dead Man's Crab*, occurs and touted as the world's largest. But is it? Sure its big with a leg span that can reach several meters but it is all leg. Weight or mass wise, I would argue that the world's largest crab and modern arthropod is the Tasmanian Giant Crab.
*Called because its been seen scavenging on the bodies of the drowned
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Seafood science is indeed a pet obsession.
Apparently yes: Freshwater Farm Ponds Turning into Crab Farms:
This is just what our blue crab populat
Among my many pet peeves are when people refer to Drosophila as fruit flies (they are not).
Great pics, but pity about the vapid commentary. The cusk looked like Spectrunculus grandis, but I thought the deepest living ophidid was Abyssobrotula galatheae (8,370m cf. 4,255m)
World's Largest Crab
Although this one looks bigger
Some other candidates