The Betta splendens is in the Class "Actinopterygii"
actinopterygii
No. They do not belong together. The toad will foul the water for the Betta.
Fish belong to the Chordata phylum.
Sharks belong to cartilaginous fish. (Chondrichthyes)
i have before. and i just kept them in a class room
Most of the fish belong to the class called class Chrodata. Examples of this type of fish include tilapia, Nile perch and the cat fish.
enchinoderm
A betta can breed with similar species like paradise fish. The bettas most often seen in pet stores are Betta splendens. They cannot interbreed with all species of bettas, some of which belong to other genera as well.
Class Chondrichthyes
other Betta fish and the bigger fish.
Betta fish do not eat fish.