Is a betta fish killer fish?

Here's why:

* They are relatively small: Betta fish are typically only a few inches long. They are not capable of killing larger animals.

* They are peaceful towards most fish: While they are known for being aggressive towards other bettas, they are generally peaceful towards other species, especially those too large to be a threat.

* Their aggression is territorial: Betta fish are territorial by nature and will defend their space. However, this aggression is typically directed towards other bettas, not towards other species.

However, there are some caveats:

* Betta fish can be aggressive towards smaller fish: They may attack smaller fish, especially if the smaller fish are perceived as a threat to their territory.

* Betta fish can be aggressive towards invertebrates: They will often eat snails and other invertebrates.

Therefore, it is important to choose tank mates carefully for betta fish. Larger, peaceful fish are the best choice.

It is also important to provide your betta fish with plenty of space and hiding places to minimize aggression.