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Loner fish will often fight for territory when kept together. Fish that do not do well with other fish, like Beta fish, will often fight with other fish for territory.

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12y ago

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Why betta fight?

They want territories and they fight over it. They are greedy fish. They will fight to get territory


Why do fightning fish fight?

its the same reason that deer fight for the girls and for territory


Why would comet fish fish fight each other?

Males will fight other males for territory and mating rights. All of them might fight over food.


Do male betta fish fight if together?

Yes.


How do male Betta fish mark their territory?

Male beta fish are very territorial. Two male beta fish cannot live in the same tank or they will fight. Male betas make bubble nests to mark their territory.


Can you put male betta fish together?

No becaUSE THE MALE BETA FISH WILL FIGHT TO DEATH.


Why do swordfish fight each other?

Swordfish often fight each other for the right to mate with females or for territory. These fish are very large and very territorial and will often even fight with humans who enter their area.


What happens when female Betta fish are put together?

if female beta fish are put together they would start to fight like the males.


Is it bad to have two Betta fish together in the same tank because Ihave two and they are fine together?

Yes it is bad because they will fight but if they have grown up together they wont fight.


Why do my cichlids fight?

easily.. when breeding, fighting for territory.. or if they are aggressive :D you will have to do research to determine what fish are compatible with what.. and individual fish may vary too.. Is your cichlid real calm and passive? then dont put him in with an aggressive fish.. just pick out what fish you want and call your LFS (local fish store) for help.


Do betta fish fight if they know each other?

They are instinctively fighting over territory and breeding rights, only one male will dominate.


Can a Betta fish go in the same tank as a red tailed shark?

No they cannot, also if you put two Betta fish together, they will fight.