Bettas may live longer if their tank is clean, the environment is calm and their diet is healthy. A closeup shot of a pink female veiltail Betta Siamese fighting fish with aquatic plants in the ...

What is a betta fish? Betta fish—also known as Siamese ... He then puts on a display to attract a female, becoming brighter and spreading out his fins. If a female approves of the nest, she ...

Males and females usually only live together if they’re breeding. Otherwise, the male koi betta fish will relentlessly harass ...

Known as Siamese fighting fish (Betta splendens) in the wild, these fun fish originally come from Southeast Asia, where they ...

When given proper care, betta fish can live for a while. In captivity, betta fish typically live two to five years, according to Adelphi University. Some betta fish, however, have lived longer.