It's the Japanese name for certain species of puffer fish that contain lethal poison but can be eaten as a delicacy
Most are found in tropical and subtropical ocean waters, but some 
species ... Large specimens will even crack open and eat clams, mussels, and 
shellfish... [DOC] [TLE] Fugu - Go Japan Go [PAR] Fugu - Japanese puffer fish, a highly toxic fish eaten in Japan from approved ...