Fishermen in Vietnam's Xuan Yen commune are experiencing a windfall from crab fishing due to high market demand and resale prices. They are catching a variety of crabs and fish, with some trips fetching up to 2 million VND. The larger crabs are sold for 250,000 VND per kilogram, while smaller ones are sold for 200 - 220 thousand VND per kilogram. The catch is also being bought by local restaurants and consumers.