Core tip: In mid-September 2025, the global white shrimp market faces multiple shocks and differentiations. Ecuador and China have simultaneous price increases, while Indonesia experiences a price collapse due to a "nuclear contamination" incident leading to a U.S. ban, and India faces heavy tariffs causing a rapid decline in export share. Meanwhile, Vietnam, Ecuador, and other countries are taking the opportunity to expand their influence in the Chinese and European-American markets.