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Rainbow Shark Fin-Nipping

6K views 2 replies 2 participants last post by  A Polynomial 
#1 ·
Hello, I recently bought a Rainbow Shark along with 3 Black Swords and 1 Comet Goldfish (biggest fish in my tank). I also had 4 Goldfish in my tank previously.

My Rainbow Shark has been fin-nipping every single fish in the tank, and I don't know what to do. Will it calm down after a while? This is the first day that it has been in the tank. It does go to some of it's hiding places, but when I feed my fish, it doesn't get the opportunity to eat much.

Also, my Rainbow Shark is the smallest fish in my tank, so it doesn't really have the ability to "hunt down" any other fish as they are all bigger than it.

Any ideas as to what I can do? I am considering giving it back to the pet shop.
 
#2 ·
A Polynomial said:
My Rainbow Shark has been fin-nipping every single fish in the tank, and I don't know what to do. Will it calm down after a while? This is the first day that it has been in the tank. It does go to some of it's hiding places, but when I feed my fish, it doesn't get the opportunity to eat much.

Also, my Rainbow Shark is the smallest fish in my tank, so it doesn't really have the ability to "hunt down" any other fish as they are all bigger than it.

Any ideas as to what I can do? I am considering giving it back to the pet shop.
Return it to the lfs. Rainbow sharks are very aggressive and are not suitable in community tanks. They are best left with other fish that can defend themselves.
 
#3 ·
Lupin said:
A Polynomial said:
My Rainbow Shark has been fin-nipping every single fish in the tank, and I don't know what to do. Will it calm down after a while? This is the first day that it has been in the tank. It does go to some of it's hiding places, but when I feed my fish, it doesn't get the opportunity to eat much.

Also, my Rainbow Shark is the smallest fish in my tank, so it doesn't really have the ability to "hunt down" any other fish as they are all bigger than it.

Any ideas as to what I can do? I am considering giving it back to the pet shop.
Return it to the lfs. Rainbow sharks are very aggressive and are not suitable in community tanks. They are best left with other fish that can defend themselves.
Okay then, I just put him in a small container with a good seal. I gave him some food but he's not eating, he's probably scared from the transfer from the tank to the container. I'll return him tomorrow. Thanks for the post :).
 
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