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What is threadfin? ‘Almost like salmon, but without the bad rep,’ say chefs of fish local to Hong Kong waters

  • Threadfin, a type of oily fish, is a popular seafood option in many Hong Kong restaurants. Chefs explain why they put it on their menus
  • At Central restaurant Fireside, it is dry-aged for days before being chargrilled, while at Kam Tung Tai in Shau Kei Wan, it is pan-fried low and slow

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Threadfin is an oily fish popular with Hong Kong chefs. Jeston Chua at Vivant cooks it slowly in olive oil (above) to preserve the tenderness of the skin and flesh. Photo: Vivant

Move over, three yellow chicken. Threadfin fish, or ma yau in Cantonese, is the latest local ingredient sweeping Hong Kong. Previously the mainstay of primarily Chinese restaurants, threadfin has gone mainstream – finding its way onto menus at Western restaurants offering distinctly untraditional preparations of the popular fish.

It can be hard to describe the true tenderness of a fish such as threadfin, when it is fresh, fatty and cooked à point – how the plump flakes quiver precariously atop your chopsticks as you bring them to your mouth, and how its delicate flavour profile is elevated with a touch of wine or a splash of soy sauce.

Unassuming to begin with, the richness that hits on the first mouthful is unexpected and unforgettable, with the fish’s fragrant oils gently unfolding across the palate like a beam of sunlight.

At places such as Kam Tung Tai, in Shau Kei Wan on Hong Kong Island, a Tanka (boat dweller) restaurant specialising in fresh, dried and semi-dried seafood, staff recommend the low and slow pan-frying method to enjoy their threadfin.
Threadfin with piperade and fondant potato served at Vivant, a restaurant in Hong Kong’s Central district. Photo: Vivant
Threadfin with piperade and fondant potato served at Vivant, a restaurant in Hong Kong’s Central district. Photo: Vivant

It’s for good reason – the patient application of heat allows the thin skin of the fish to gently crisp (an aggressive flame would only toughen it), resulting in a glorious contrast of crunch and tenderness.

Charmaine Mok is the Deputy Culture Editor at SCMP and the desk's food and wine specialist. She has been working in food media since 2007, and most memorably drank 50 coffees over three days in the name of research. She’s devoted to telling unexpected stories of the dining scene in Asia and those who shape it, and is always in the mood for noodles and/or a cheeky beverage.
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