Tan Thanh commune in Ca Mau city has seen significant profit from goby fish farming, with the most recent crop bringing in high prices for the fish. The quick rearing time of goby, around 4-5 months, makes it a profitable venture for farmers. However, the industry faces challenges such as disease and high costs of fish food and water treatment. The commune is currently renewing ponds for a new goby crop. The success of goby farming has become the economic strength of Hamlet 5, with farmers earning substantial income by raising goby in industrial shrimp ponds or making embankments specifically for goby.