The migrant fishermen paying fees to work in Taiwan
10 June 2014 Last updated at 09:41 BST
Taiwan's fishing industry and seafood exports earn $2bn a year.
However, a recent case involving 1,000 Cambodian fishermen trafficked to work on Taiwanese boats has put the sector in the spotlight.
While the government prides itself on its efforts to tackle human trafficking, it still happens on the island and often without prosecution.
Cindy Sui reports from a fishing port in Yilan county.