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It depends in how long you have had your betta. When you first get any type of fish then they will try to get out of your tank by bumping the side of the tank and then they will swim down and try to escape from your tank.

After about a night they will stop and they will realize that your tank is only the size that it is and they can not awim any further.

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11y ago
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11y ago

it either has ich or you need to feed him

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Q: Why does the Betta fish rub itself against the glass of the tank?
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Related questions

What can you put on the bottom of a Betta fish tank instead of gravel?

my betta bowl has sea glass which is really dull glass so it wont cut itself


Will a betta fish eat itself?

no


What Can kill a betta fish other than a betta fish?

Well, if you love your Betta fish, then it should live by itself. But if you add another Betta to your current Betta fish's tank, then they will start a fight because Betta Fish are Siamese fighting fish and if one Betta is in contact of another Betta, the possible reason would be a fight between them two.


Why does betta fish live by itself?

because beta fish are very aggressive fish and usually attack other fish


What is the name of a fish that kills itself when it sees its' reflection?

a betta fish cause it fights alot with other fish


What fish can live with a betta in a one gallon bowl?

None. The 1 gallon bowl is already too small for the betta by itself.


Do small male Betta fish have teeth?

Yes all Betta fish have teeth. They are very small and using magni glass may help if you ever want to take a close up look at them. :)


What should I get my fish I want to get a betta fish a marineland contour Glass LED aquarium kit food plants and rocks?

You can get a glass LED aquarium kit food plants and rocks.


What preys on betta fish?

other Betta fish and the bigger fish.


How many fish can a betta eat?

Betta fish do not eat fish.


Are Betta Fish omnivores?

No betta fish are carnivores.


What does it mean when your betta kills itself?

it got in a bad fish fight or it is about to die from a disaese