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.
Since lionfish are not native to Atlantic waters, they have very few predators. They are carnivores that feed on small crustaceans and fish, including the young of important commercial fish species such as snapper and grouper.ionfish are native to the Indo-Pacific, but are now established along the southeast coast of the U.S., the Caribbean, and in parts of the Gulf of Mexico.