Farmers in Vietnam's Long Ho district are experiencing high profits from raising crispy carp in cages in the Tien River. The fish is fetching good prices due to high demand, with traders buying at 120,000 VND/kg, up from the previous week's price. The retail price ranges from 150,000 to 160,000 VND/kg. The process of raising crispy carp requires specific techniques to ensure crunchiness and quality, and the fish can be harvested after about 6-7 months, weighing around 5 kg per head.