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it takes about 8 or 6 months for them to grow. each month they will get biger and look diffrenter. if you have more then one you should still not put them in the same tank. and if they both look the same and you dont like dont worry becuse they change as they grow.it could probaly come in one of thees colors purple witch is very rare to get your betta fish in. orange green blue red yellow white and maybe even silver HAPPY BETTA CAREING!

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11y ago
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15y ago

betta fish are unpredictable so you couldn't really tell

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14y ago

The female Betta does not fight a male, she simply gets bashed until she dies. A male Betta MUST NOT be kept with any other Bettas male or female.

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13y ago

Not very long,because they are territorial.thats why your supposed to put the Betta in the tank last,so it wont do that kind of stuff.

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13y ago

10 months

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Q: How long does it take a betta fish to kill each other?
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Related questions

How do betta fish have babies when the mom and dad would kill each other?

Betta fish of the opposite sex will not always kill each other. It is actually an uncommon occurrence.


Can a girl betta share a aquarium with boy betta?

No, they are fighting fish. They will kill each other no matter what sex they are.


Can you put a blow fish in the same tank as a betta fish?

no they will kill each other bettas are vicous


Do girl Betta fish need boy Betta fish to live?

No, they can live alone or with other female bettas. They might bite each other but won't kill.


Why do betta fish kill each other?

They are territorial by nature and they compete to court sometimes


Is it safe to keep two betta fish in the same bowl?

No. They will kill each other.


Can two betta fish live together in a fishbowl?

No they'll kill each other


Will a male betta fish kill a female?

yes betta fish have to live alone or one will kill the other.


Is it bad to mix Betta Fish with other fish?

Yes, Betta Fish are extremely aggressive and they will most likely kill your other fish.


Why your betta fish run when facing other betta fish?

The Betta fish runs away when facing another Betta because its the first time facing another one. Or its just scared of it and doesn't want to fight since its not use to it and its a FIGHTING fish. But once its use to it the other Betta they well start getting up close to each other face to face and start ripping out each others fins out and basically trying to kill each other chasing each other around.


Will a female betta fish kill other female betta fish?

Np, but they will bite. Yes, they will fight to the death.


Is it bad for a male betta fish to nibble on a girl betta?

Male Betta's are solitary. They cannot be placed with other fish. That's why they are known a Japanese fighting fish. They will kill other fish for territory.