help! Tigrinus not eating

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dddolphin

Feeder Fish
MFK Member
Dec 4, 2010
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Hi, my 8in tig is not eating anything from a week ago. I fed the tetra pellet to him previously. He will eat the left over MP also.

It used to hide under a drift wood but now it keeps swimming up right and breath heavily. I attach a video for your viewing. There seems to be pink/light red color thingy in the root of the tail fin. You can check it out in the video.

Tank size is 5 2.5 2.5 with sump. tank mate got 20in red, and two 10in IT. ph is 6.3. WC once a week. The rest of tank mate are feeding well.

I tried to search in the internet for the cause. One thread turns out quite similar but no result
http://www.planetcatfish.com/forum/v...+eating#p43480

Can someone help urgently? thanks a lot!
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What is your normal water change % and how is the water treated?
What is the temp of the tank?
What are your Ammonia, Nitirite and Nitrate levels ? Actual readings please
Without this detailed information we are only making wild guesses ... supply the full parameters and its reasonable to assume that a solution can be found.
 
I am new to Tigs, but it does seem like a water issue.

Are there any unusual markings on his/her belly?
 
What is your normal water change % and how is the water treated? - Weekly 40% Water change. the tank is 5*2.5*2.5ft with 3ft sump. Only tank mate is a 20in red aro and two 10in Indo tiger... I think the bioload is pretty low...

What is the temp of the tank? - 28degree

What are your Ammonia, Nitirite and Nitrate levels ? Actual readings please - i don't have the kit for the reading... .but the ph is 6.3-7 between water changes; other tank mates are doing well (red aro, indo tiger) so i assume the level should be OK since Tig is a somehow hardy fish IMO...


Without this detailed information we are only making wild guesses ... supply the full parameters and its reasonable to assume that a solution can be found.
 
I catch her out and put into a 40 liter container, turn on heater to 30d and add salt. Plus half the dose of Copper Safe.

Today she's still alive. No fading in colors. seems to be a bit better in term of breathing....
 
28c is way too hot for a tigrinus .... that might be your problem.
They do much better at 24-25c
 
I thought they can't tolerate much salt...?

Obviously Taksan is the guru, but I always read that they preferred 80F. Is that a misconception?
 
The Tigrinus temperature story is a interesting one.
People did believe that (even me) it was a 27.5-29c fish because if you go to the Cachoeira de Santo Antonio during dry season you will see temps of around 27-30c but there are no tig's there during dry season they move upriver out of the rapids to deeper cooler water during that time (and to breed according to recent studies). The main population moves into the rapids at the end of the dry season and stays until the next one when the temperature rises again. During the bulk of the year when Tig's are present in the rapids the water temp is between 24-26c.
 
Do you alter your pH, or is your source water inconsistent?

IMO if you alter the pH or if your source water's pH isn't always the same a pH tester is a necessity as constant pH fluctuations can cause a lot of stress.

Also you need to be able to check for ammonia or nitrite. Especially when you have expensive fish like that. I noticed that some pimeolodes (juruense & tigs) will swim like that if they do not have a spot to rest on. If you give them a bunch of driftwood and broad leaved plants, they will make a perch that they can rest on.
 
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