Shrimp exports in Bangladesh's Khulna region have declined due to various factors such as reduced water sources, viral infections, and farmers' reluctance to use modern methods. Drought, low rainfall, and high temperatures have also led to an increase in disease outbreaks and mortality in shrimp farms. The country's shrimp production has decreased significantly, leading to lower margins, declining global demand, and falling prices. However, there are positive developments in the export of mud crabs and eels, which have gained popularity in China, providing an opportunity for foreign revenue for Bangladesh. Crab farmers in the country have also experienced success due to rising demand from Southeast Asia and China.