Temperature Shock Endler

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Hello, I did a 20 % wc in my 10 gallon today, and I used a gallon of dechlorinated water that I didn't realize was much colder than the tank, by 10 degrees. I was already pouring it in when I realized the temp difference. the fish always swarm around the new water, and I think this guy might have been hit by the cold water.

I noticed that one of the fish, a male chili endler was acting odd, sinking toward the bottom and unable to get up. I moved him to the 5 gallon hospital tank this morning. He's still sitting unmoving at the bottom. Is it possible he got shocked from the cold temperature ? I'm starting to think this was a bad idea and shocked him even more.

The ten gallon has been set up for about 2 years now, and is lightly planted with only endlers and fry. The temperature stays at a steady 79° and gets 20 or 25%pwc a week with gravel vacuum. All fish have been acting normally before this, and the others still are their usual selves. Has anybody experienced an thing like this, and how can I help my fish recover??

Thanks for your help.

 

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Right now, the endler is still sitting at the bottom, breathing heavily.

 

[brennae]

I doubt it was the temp change. He could be old. Just imo.

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[Matt68005]

I doubt it was the temp change. He could be old. Just imo.

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I agree. I have dumped guppies and endlers from heated tanks directly into unheated tanks because they were sick or fighting with others, and they lived just fine.
20% is really not that much of a PWC, even if it was cold water.

 

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Thanks, so should I move him back into the main tank? How old do endlers get? I think this guy is a little over two years old.

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[Matt68005]

wild guppies and endlers can live up to 3 years if kept in ideal conditions. Fancies about 2 at most.

 

[brennae]

Thanks, so should I move him back into the main tank? How old do endlers get? I think this guy is a little over two years old.

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I'd leave him in hospital and keep a watch on him just to see if anything pops up.

Brenna

 

[sinibotia]

Agreed with everyone else; I've changed my tanks by as much as 5 degrees at a time without incident. Mathematically you only changed your tank temperature by 2 degrees, that's nothing.

 

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He's not looking good, still acting like he's paralyzed. I've seen him move his tail though. I tried giving him a salt bath, but this didn't seem to help. I'm afraid to move him back to the main tank because he might get picked on

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[brennae]

He's not looking good, still acting like he's paralyzed. I've seen him move his tail though. I tried giving him a salt bath, but this didn't seem to help. I'm afraid to move him back to the main tank because he might get picked on

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He will be picked on. Please keep him in hospital.

Brenna

 

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Should I euthanize? It's really sad to see him just wiggling at the bottom, but I don't want to kill a fish I could have saved

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[brennae]

Should I euthanize? It's really sad to see him just wiggling at the bottom, but I don't want to kill a fish I could have saved

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I'd wait a bit. Can you post pics for us?

Brenna

 

[Oto]

I found him dead thanks for the help though

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