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.
Predicted future distribution of lionfish along coastal South America is shown in red hatching (Morris and Whitfield 2009). Florida Distribution and Range. Lionfish were first reported off Florida's Atlantic Coast near Dania Beach in 1985. We do not know for sure how the first release into our waters occurred.