dolphins have been decreased by ninety nine point five percent so is it all plain sailing now after all the emma sees as only four hundred eighty two dolphins a year now die on certified mexican ships. sam nobody is convinced this number is wrong and that thousands are still dying who do believe. the body thought long and hard before joining us in mexico it was his film after all that caused the mexican tuna industry to lose millions in its most important markets. market lerner's a city in the state of sinaloa and it's the hub of the mexican to an industry the embassy has certified thirty six machine vessels that supply huge amounts of commercial do not. when you arrive at the tuna fishing port. a vessel is