They offer the impeccable and glorious view in your own aquarium. I havenât eaten Mouse Groupers for quite a number of years but back when I was actively traveling on business to Hong Kong, Mouse Groupers were (generally speaking) the most expensive live fish one could buy from a live tank in Hong Kong. Arctic Char Instead of Atlantic Salmon: Wild caught salmon, almost all of which comes from Alaska, is wonderful, but it is seasonal, expensive and limited. Cost: £108 ($169.86) Where it came from: Kai Mayfair Why itâs so expensive During cold, rainy days, Londoners can indulge in the worldâs most expensive fish soup.Kai Mayfair in London, England, has crafted a dish with all the best treasures the ocean has to offer: abalone, Japanese flower mushroom, sea cucumber, dried scallops, and, â¦ At checkout, that translates to bulk quantities of skinless, boneless chicken breasts and less expensive cuts of red meat. And though Josh will occasionally pick up tilapia or shrimp if itâs on sale, fish comes to the family plate at most â¦ Belly pork and sea bass in a spicey red sauce by the MArines Simon Truman. It was also sold at $176,000, so it still holds the position of the most expensive seafood of all time. Then I had it cooked by an expert. Also fantastic as sushi with lime and soy sauce. Bluefin Tuna - $176,000. Donât let that sway you away from ordering Cod though. Most Expensive Saltwater Fish, FishTankWeb.Com â The most expensive saltwater fish exists and ready to buy. Below is a list of the most expensive seafood of all time. 1. Although the fish costs $3,603 per pound, it was sold at $1.76 Million in the year 2003. 8. It has a unique genetic mutation on the front of its head causing it to look u-shaped instead of round, which is normal for rays. Currently itâs one of the most expensive aquarium fish â¦ I always thought sea bass to be very overated and expensive. If you really want to be total in the case of keeping the best one with you, just pick one of the top 10 fish. The Buddha Jumps over the Wall fish soup: The Buddha Jumps over the Wall fish soup was first introduced at Kai Mayfair, and the price of this delicious seafood is $169.86. It is a most expensive soup in the world which is commonly used during winters and rainy days. 20) Cod: This is a fish thatâs gotten a bad rap throughout the years due to some weird parasites that pop up from time to time. Rainbow trout (also referred to as steelhead trout), is one of the best fish to eat when it's farmed in the U.S. or indoor recirculating tanks, according to Monterey Bay Aquarium Seafood Watch. The coupleâs weekly grocery budget is just $50. This seafood comes from Tokyo, Japan. Most of the salmon we eat â¦ Awesome. âThe Buddah Jumps Over the Wallâ Fish Soup. This particular fish was recently on display in Taiwan. Other faves Ling Sword fish Tuna Monk Most sea bass eaten in the UK is farmed hundreds of miles away in the Mediterranean, with Greece and Turkey the largest producers.