Seafood ── Fish
Kasago
marbled rockfish — a spiny, big-headed fish for soup and stew
A big-headed fish of rocky reefs whose bones give off a rich stock, so it is often simmered or served whole in clear soup. Sedentary by nature, it varies noticeably by fishing ground and is mostly eaten as a local catch near where it's landed.
- White fish
Lineage
What it's made of
A big-headed fish of rocky reefs whose fierce look belies a mild, delicate white flesh. The bones give off a rich stock, so simmering it or serving it in clear soup lets that flavor soak into the broth. The skin keeps a faint tidal aroma, and the contrast between skin and flesh is part of the appeal. With few small bones, it's often favored as an easy white fish even for children.
How it's made
Sedentary and content to lodge in a crack in the rocks, it's said to vary noticeably in flavor from one fishing ground to the next. Cooks lean into the bones' rich stock by simmering or poaching the whole fish in clear soup, eating it head, bones and all. For sashimi, it's sometimes thinly sliced with the skin lightly seared, a style called 'matsukawa', for extra fragrance.
Why it took this shape
Because it stays put in the reef rather than roaming, the same species can taste noticeably different depending on where it's caught, or so it's said. That makes it a poor fit for wide distribution, so it's mostly eaten as a 'local fish' near where it's landed — quietly prized port by port. Grounds thick with rocky crevices are said to be the ones it favors most as hiding places.
Before you go
- How to shop at a supermarketHow to choose prepared foods, sashimi, and packaged sushi, when discount stickers tend to appear, region-only specialties, buying by weight, the checkout and bagging flow, and sampling etiquette at a local supermarket.
- Roadside stations, direct-sale stands, and marketsHow to enjoy buying food near where it's produced, visiting and shopping at morning markets and fish markets, what to expect at farm stands, and finding local food at roadside stations (michi-no-eki).
- Foods to look for in springA guide to foods often seen in Japan around spring — early bonito, bamboo shoots, sakura mochi, hanami bento, new-season tea, and butterbur sprouts — with rough pointers for finding them.
Dishes in the same style
- AinameA white-fleshed fish of rocky shores, served raw or simmered in old Edomae style. Sedentary by nature, it varies by region, and in some Tohoku ports its liver is eaten too — a fish long prized as a local catch.
- AmadaiA pink-skinned fish with a subtle sweetness, known in Kyoto as 'guji'. Fish caught in Wakasa Bay were lightly salted and carried inland along the old Saba Kaido route, a history that made lightly-salted Wakasa amadai prized in Kyoto cuisine.
Ingredients and dishes from this land
Known source
Related lineage
- AinameA white-fleshed fish of rocky shores, served raw or simmered in old Edomae style. Sedentary by nature, it varies by region, and in some Tohoku ports its liver is eaten too — a fish long prized as a local catch.
- MebaruA large-eyed fish of rocky reefs, said to herald spring. Traditionally simmered until the seasoning reaches the bone — areas facing well-flushed rocky grounds like the Seto Inland Sea have woven it deeply into local food culture.