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If cared for properly, they should die of old age, but typically, the most common cause of fish death in captivity is a water quality issue due to toxins that are too high.
They can die of one of the many, many betta diseases there are out there, or just of old age. If your fish is suffering badly, just put him/her in a plastic box with water and keep them in the fridge, they will freeze slowly and experience no pain what so ever. They live longer if kept in tanks, usually 7 years (Though eight years is not un-common) but, if kept in bowls- even though they will be just as happy- they will live 1-3 years.
What else can I help you with?
Do betta fish school?
No, betta fish are best as solitary fish, and unless they are going to mate, they do not swim together
Is there a cure for swim bladder disorder in betta fish?
Feed Betta little peice of a boiled Pea.
What does a dying betta fish look like and how can I recognize the signs of a betta fish in distress?
A dying betta fish may appear lethargic, have clamped fins, faded color, and may struggle to swim or breathe. Signs of distress in a betta fish include loss of appetite, gasping at the water's surface, unusual swimming behavior, and visible physical injuries or abnormalities. It is important to monitor your betta fish closely for any of these signs and seek veterinary care if needed.
What if betta fish loses back fins?
it dies or it will only swim in circles
How do betta fish eat when not in captivity?
Wild bettas primarily eat insect larva that floats on the surface of the water, like mosquito larva. If they swim by it and it wriggles, they eat it.
Why do betta fish sometimes lay on their side?
Betta fish may lay on their side due to stress, illness, or poor water quality. It could also be a sign of swim bladder disorder, which affects their ability to swim properly.
How do mudskipper swim?
No they cant it is impossible
How does fish aviod not getting in a fight?
Most fish swim away, or hide. Betta, on the other hand, LOVE to fight.
What if the betta fish is not floating to the top and is sinking to the bottom?
Fish do not normally "float around" they swim. If your fish is floating/sinking then it is probably dead.
Which fish cant swim in ocean?
all fresh water fish
Do some Betta fish swim slow?
yes, it's because of they're large fins
What do fish do when the water surface is frozen?
If the water surface is frozen, fish continue to swim.
