The ban comes as Thailand’s embattled fisheries sector faces increased competition, tariffs, shrimp disease, rising costs and reduced catch.

The ban comes as Thailand’s embattled fisheries sector faces increased competition, tariffs, shrimp disease, rising costs and reduced catch.

BANGKOK, June 6 — Thailand’s shrimp industry has urged the government to engage directly with Malaysia to resolve a trade dispute that has led to a ban on Thai shrimp imports,...