Starting with just 5 million VND, Vo Thanh Hai turned his passion for betta fish into a profitable business and award-winning farm. At 28 years old, Vo Thanh Hai has built a successful business ...

Betta fish—also known as Siamese fighting fish ... Flipping the female upside down, he wraps his fins around her, and fertilizes eggs as she releases them. After a short rest, they repeat ...