spring catfish

Unbelievably between the four surface waters, Phu Quoc has a strange and poisonous fish
Catfish are very abundant in freshwater alluvial plains. But between the island of four sides is sea water like Phu Quoc that has catfish is toxic and strange.
People successfully cultivate Phu Quoc spring catfish
Phu Quoc catfish (also called eel eel, or spring catfish) is a rare species, only available in Phu Quoc, Kien Giang.