Looking to add a few types of goldfish to a new aquarium in your home? There are over 100 goldfish species. Some need more space than others, and their lifespan is generally 5 to 10 years, so be ...

What do goldfish have to do with the global trade balance? That's a question that has Ken Fischer reeling. He sells rare goldfish. And goldfish — the live pet, not the snack food — are tucked in on ...