While it is common for pet betta fish to lose fins, according to the experts, it is not normal. Either fin rot (which is caused by an infection) or fin loss (caused by external factors) could be the ...

Your complete guide, with expert tips from Gary Akavickas.

What is a betta fish? Betta fish—also known as Siamese fighting fish—are among the oldest species of domesticated fish. Their scientific name, Betta splendens, combines two languages: Malay for ...