Marine biologist Monica Biondo has spent more than a decade studying the multibillion-dollar market for these colorful fish.

You can earn gigantic profits by starting a tropical fish and aquarium rental business, and best of all, this very unique enterprise can be set in motion for less than $5,000 and managed right ...

These are better known as Siamese Fighting fish, and while one may be hypnotic and mesmerising, they are tricky to keep and ...