VIOLENT ZEBRA DANIO (killed my guppy)

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memeaquarist

Aquarium Advice Apprentice
Joined
Aug 6, 2017
Messages
29
Hey!

•I used to have only 2 zebra danios in my 20 gl. tank.

•I saw that one of them was nipping other fish, such as the other Danio, guppies and platies.

•I did my research, and found out that they are Schooling Fish, and that they can become violent if they are not in a bigger group.

• I immediately went out and got 3 more, so now I have 5. I thought the problem would be fixed, and that he would be happy and quit harassing others.

• Apparently, so far it hasn't worked and instead he is chasing down the new ones and killed my guppy today. [emoji32]

• I want to get rid of IMG_1412.jpghim, but I really don't know what to do and I am very stressed. I don't want him to kill and harm others.
 
What are the water parameters? Sometimes if the water parameters are in an unsafe level the fish can act very aggressive.

Easy - take this fish to the store and get a different one.
 
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