“Foreigners should not be allowed to import frozen fish into the country because this will affect local fish farmers. “Study has shown that in Ghana, for example, importation of frozen fish has disengaged local fish farmers with foreigners succeeding in creating an impression with the Ghanaian government that producing fish locally is not profitable,” the association’s president stated.
Source: https://newtelegraphonline.com/2018/03/nigeria-others-lose-2bn-revenue-improper-fish-packaging/