Where can I buy ton fish?

Excuse me, could you possibly clarify what you mean by "ton fish"? Are you referring to a specific type of fish that comes in large quantities, or is there some sort of slang or jargon that I'm not familiar with? If you're looking to purchase a large amount of fish, there are several options depending on the species and location. You might consider visiting a local fish market, wholesaler, or even ordering online from a reputable seafood supplier. However, if "ton fish" is a term I'm not aware of, I'd be happy to do some research and get back to you with more specific recommendations.