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No Fin..?
March 31, 2008
9:51 pm
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becca11
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March 16, 2008
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Hmm, me again.
Two of my Paracheirodon innesis seem to have no caudal fin(I think thats what it's called)...

>_>

I'm thinking it was the Nematobrycon lacortei.

They're fine and swimming now, but will this affect them in the long run?

April 1, 2008
7:32 am
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Matt
Málaga, Spain
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June 13, 2011
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Oh dear Becca that sounds nasty. Is the entire tail missing or just part of it? Nematobrycon are not usually known for attacking other tetras, although I have seen them nip at long-finned fish. How many do you have?

Cake or death?
April 1, 2008
7:12 pm
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becca11
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March 16, 2008
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It stops where the red line is on this fish;
2iid7q8.jpgImage Enlarger

I only have one Nematobrycon, used to have two but...you know the story.

April 1, 2008
7:46 pm
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Matt
Málaga, Spain
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Yes I do, sorry m'dear. /blush.gif" style="vertical-align:middle" emoid=":blush:" border="0" alt="blush.gif" /> My first thought would be to add more Nematobrycon. They're not tightly schooling fish but do live in groups in the wild and appreciate the company of their own kind. Any aggressive behaviour (as you're seeing now, they are capable of this and like most tetras have a mouthful of sharp little teeth) will usually be contained within the group if you have say, 6 or more. It's usually the males that are the main aggressors (I'm assuming yours is a male) and if you have a few they tend to be more concerned with each other rather than other fish in the tank. A mixture of a few of each sex is best.

If the tetras' tails have been bitten off at the caudal peduncle (the bit where the tail joins the body) as you show in the pic it's difficult to say if they'll grow back again without seeing them. I do think it might happen again though unless you buy more emperors or remove your current one.

One last thing Becca. What else is in the tank? I can't remember...

Cake or death?
April 1, 2008
9:37 pm
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becca11
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March 16, 2008
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I have Paracheirodon innesi, Nematobrycon lacortei, Hemigrammus erythrozonus, and somesort of little catfish thing..

I think thats all..

Hmmm, I could move the one fish, but then it would be on its own. So, I think I'll get afew more Nematobrycon lacortei's..

The two neon tetra's look so funny when they swim though. I shouldn't be laughing though.. It's really a sin. ;(

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