Definition of theory. plural. theories. 1 : the analysis of a set of facts in their relation to one another. 2 : abstract thought : speculation. 3 : the general or abstract principles of a body of fact, a science, or an art music theory.
Studies have also shown that those Betta Fish which live in larger tanks will probably live much longer than those who are cooped up in smaller tanks. In fact, if you are purchasing any tank you should always purchase the largest that you can both afford and fit into your room. This is going to benefit all of your fish. Hopefully this has been of some use to you and provide at least a couple of answers as to how long does a betta fish live.
White Cloud Mountain Minnows â Another type of fish that can live with a Betta fish are the White Cloud Mountain Minnow. These fish tend to be very calm and peaceful â the Buddhist Monk of fish and will not nip fins or bother your Betta. They are also fairly fast and can easily escape a Bettaâs aggression.toclinus and Corydoras Catfish â Both of these species of catfish are excellent fish that can live with a Betta fish. They tend to be small (Otoâs are smaller), low waste bottom feeders and are fast and dull colored, so are usually safe from your Bettas.