Kani Crab Japanese Varieties King Snow Horsehair

Hokkaido and Sea of Japan coast; San'in coast (Tottori, Kyoto, Fukui) zuwaigani center; Hokkaido for king and horsehair

Japan's crab culture is among the most obsessive and institutionalized in the world, with specific varieties, seasons, and preparation rituals that constitute a major economic and gastronomic event each year. The primary varieties: zuwaigani (snow crab, Chionoecetes opilio) from the Sea of Japan, with delicate, sweet, white meat suited for shabu-shabu, nabe, and raw preparation; taraba-gani (king crab, Paralithodes camtschaticus) from Hokkaido's northern waters, with imposing size, firm meat, and the premium price tag; and kegani (horsehair crab, Erimacrus isenbeckii) from Hokkaido, considered by Japanese connoisseurs to have the most complex flavor of all, including distinctive roe (kanimiso) inside the shell. The zuwaigani season opens on November 6 in Tottori and Kyoto Prefectures (San'in coast)—this date is a nationally celebrated event with news coverage of the first boats' arrival. Female zuwaigani (kobako gani in some regions) are smaller with prominent roe and internal eggs and are considered by many to surpass the male in flavor complexity. Processing: live crabs are preferred and dispatched immediately before cooking; the miso (tomalley/roe) inside the shell is mixed with crab meat, sake, and soy sauce for kani-miso—one of Japan's most intense umami preparations.

Snow crab: delicate sweet white meat; king crab: firm and rich; horsehair: most complex with pronounced iodine-sweet