juruense gone crazy

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B

Brev

Candiru
MFK Member
Jul 22, 2009
231
2
48
Hong Kong
my juruense's gone crazy recently; it just kept chasing my tigrinum. they've been peacefully together for more than a year (raised together as fingerlings)...
my tigrinum got beaten quite badly, and I now hv them separated in two tanks...
anyone can explain what happened? :(
 
Hard to say. Brachys in general are known to be somewhat territorial. Jurs & tigs in particular are known to be fairly intolerant of other specimens of tiger striped catfish. Your fish might just have a butthole personality. It certainly wouldn't be the first time that a jur just randomly decided that it didn't like a tankmate.

I'm curious to see what some of the other catfish folk think about this.
 
Chicxulub said:
Hard to say. Brachys in general are known to be somewhat territorial. Jurs & tigs in particular are known to be fairly intolerant of other specimens of tiger striped catfish. Your fish might just have a butthole personality. It certainly wouldn't be the first time that a jur just randomly decided that it didn't like a tankmate.

I'm curious to see what some of the other catfish folk think about this.
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yeah i wonder why the fish's temper changed so suddenly... they got along so well before, don't know what triggered the jur...
 
Brev said:
yeah i wonder why the fish's temper changed so suddenly... they got along so well before, don't know what triggered the jur...
Click to expand...

Who knows. Each fish likely had a little bubble of 'me' space and as they grew, they couldn't get away from each other when one started getting agitated. Fish are weird like this.
 
You could always try adding a few hiding spots and try again. In an open tank, neither of them has it's own territory, they feel like the whole tank is theirs. Put a couple of caves in and let them figure it out.


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It is rather well known that brachies past certain size/age, especially tigs and jurs in any combo, are territorial and do not tolerate intruders, often even other similar-looking cats, like TSNs.

What happened is logical and is to be expected, IME, that of others, and based on their profiles. The opposite would be unnatural and strange. It was only a matter of time in a small enough tank. In a several 1000 gal, they may be ok.
 
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