During an investigation, China's Food and Drug Administration (FDA) has revealed that out five out of the 25 products they tested were inaccurately labeled. 

One was fried sailfish floss, manufactured by a local company called Kuang Ta Hsiang Foodstuffs Co. (KTH). Tests showed that the company's fried sailfish floss did not contain any trace of sailfish at all. 

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The company has said in a press release that it had the replaced sailfish in the product with tuna because of supply shortage, but insists that all of its products were made according to the government's hygiene regulations. 

The company said that consumers can return their purchased swordfish floss and its receipt to the store it was purchased in for a refund. 

Three of the products on the FDA's list of five foods were produced by KTH, specifically seaweed-flavored swordfish floss, original swordfish floss, and "healthy" swordfish floss. 

KTH said that they have been gradually pulling out the three products from stores since January 22 and distribution is currently being held up until appropriate label changes are made. The company has recalled more than 4,000 jars of fried swordfish floss, the FDA said. 

Other companies at fault are YCH, producer of supreme salmon fish floss that was revealed to contain tuna, and California-based Hsin Tung Yang's (HTY) minced swordfish floss, which was found to contain tuna and salmon. 

"Our minced fish products had all been made in the same production line, so a slight amount of the DNA of other species might have remained in the products," HTY said. 

The FDA has confirmed the safety of HTY's products and said that the company has since added the proper label. 

Taiwan's Food Safety Law mandates all manufacturers to put accurate information on their products' labels for the consumer's right to know. Violators may be fined between NT$40,000 ($1,200) to NT$4 million ($120,000). 

Tagssailfish floss, swordfish floss, Taiwan product labels