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NZ Reefer

Aggressive Purple Dottyback

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NZ Reefer

I have a 90L (30gal) tank with:

 

Purple Dottyback

x2 Clowns
Red Firefish

Yellow clown goby

The Purple Dottyback is very aggressive but only towards the Red Firefish.

It recently bit the top fin off the firefish.

 

I don't have a sump or I would put in there for now.

Any ideas?

So far I have come up with the following
- add more rock
- put a divider in for now

- add a sump and remove it

- add a bigger fish (don't really want to do this as the tank is small)

- get rid of the dottyback

 

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mcarroll

Tank pic?  Fish pic?

 

Without seeing, I'd say any of those ideas could work....aside from getting a bigger fish.  Forget that one.  😉 

 

Could also get rid of the Firefish.

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NZ Reefer

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Clown79

Orchid dottyback have been known to either be aggressive or semi aggressive. Such a shame cause they are gorgeous.

 

The firefish is very passive so it's a perfect fish to pick on and being somewhat similar colouring adds an issue.

 

Some of your methods may work but the other option or only choice is rehoming one. 

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Tamberav

Bring it back to the LFS....those fish can be down right murderous in a nano. Once it kills the firefish it may pick a new target.

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NZ Reefer

Spoke to lfs, taking it back. 
That fish is crazy.

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Humblefish

Most dottybacks stake out a hole in a rock, and defend it like a little wolverine.

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mndfreeze

dottybacks are assh0les. lol

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