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Black Widow Tetra


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I have four and they nip other fishes fins, so keep them with other fast tetras. As i only got a small group its best to get at least 6.

They are shy when you first get them and dont always school, mine are hardly ever together unless they are scared.

I have 1 male and 3 females. The males are small and skinny and when they breed they flash against each other.

If you want to breed them then they need a tank to themselves and once settled will breed every fortnight. For the young to survive you will need to remove the adults.

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I had seven of them for awhile in my 10 gallon tank, but a couple of days ago one died and now they're in a 55 with a few goldfish (I know, not a good idea for too long, but I plan on getting a 29 or 20L for them and some others soon).

In the time I had them, I really didn't notice much growth at all, and three of those fish I've had for over a year. I wouldn't expect them to get too much bigger than they are when you buy them.

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