Dead Lambchop Rasboras
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Dead Lambchop Rasboras

This is a discussion on Dead Lambchop Rasboras within the Cyprinids and Atherinids forums, part of the Freshwater and Tropical Fish category; --> Hey all. I've got a quick question for you. I've got two tanks set up right now and the older of the two (the ...

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Dead Lambchop Rasboras
Old 09-14-2010, 09:18 PM   #1
 
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Dead Lambchop Rasboras

Hey all. I've got a quick question for you. I've got two tanks set up right now and the older of the two (the 29 gallon) is suddenly giving me trouble. Originally it was stocked as follows.

6 Golden White Cloud Minnows
12 Lambchop Rasboras
6 Dwarf Chain Loaches
3 Male Powder Blue Dwarf Gourami

Everything has been fine for long enough now that we've hit a routine. I change water on Mondays and tend to do about 30% unless I have reason to do more. Feeding flakes twice a day along with a couple vitachips for the Loaches. It's a planted tank (though only moderately) with a fair bit of wood as well. The light is a standard 24" florescent.

I found a dead Rasbora late last night, floating. I felt bad and flushed him. Earlier in the day I had done my water change and actually overflowed a bit on the floor. I'll watch my hoses better the next time. In all the hubbub of getting things mopped up and electronics dried off I forgot to use my Prime water conditioner. When I awoke this morning (afternoon...) I only had 8 rasboras. I thought some might be hiding but since then have found three more bodies. So I'm down 4 rasboras total. All of them were missing eyes and the last three looked like they were missing chunks of their bodies too. Reviewing the fish profiles I haven't found any for sure culprit and I think that even if I do that whoever it is is just scavenging.

I don't have a master test kit (need to get on it) because I just had the LFS test the water while I was cycling. pH is still around 7 like always. I've since added the Prime to solve any chlorine/chloramine issues. Any idea what caused this, and do you think I've stopped it? Was it chlorine poisoning, or do I have a nitrate/nitrite problem sneaking up on me?
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Old 09-14-2010, 11:32 PM   #2
 
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sorry to hear that

sound like you have a really good routine down....the rasboras can be little tempermental about sudden water fluctuations including chlorine.....hopefully it wasnt a large amount of chlorine in the new water as this can effect the bacteria in a negative way...let things settle out for a couple of days and water test again ....just my two cents....ADIOS....
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Old 09-15-2010, 01:13 AM   #3
 
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Originally Posted by badxgillen View Post
sound like you have a really good routine down....the rasboras can be little tempermental about sudden water fluctuations including chlorine.....hopefully it wasnt a large amount of chlorine in the new water as this can effect the bacteria in a negative way...let things settle out for a couple of days and water test again ....just my two cents....ADIOS....

+one, Would add PRIME to new water BEFORE the new water goes into the aquarium. I have done same thing when changing water on numerous aquariums and sudden deaths were results.
We live,and learn.

Last edited by 1077; 09-15-2010 at 01:16 AM..
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Old 09-15-2010, 01:18 AM   #4
 
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Not really easy to do that anymore. One disadvantage of using the Python. Water goes in and out without getting any anywhere, but it goes straight from the tap to the tank. I just add the appropriate amount of Prime afterwards.

Is this trending toward a chlorine/chloramine consensus?
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Old 09-15-2010, 02:00 AM   #5
 
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Originally Posted by burnsbabe View Post
Not really easy to do that anymore. One disadvantage of using the Python. Water goes in and out without getting any anywhere, but it goes straight from the tap to the tank. I just add the appropriate amount of Prime afterwards.

Is this trending toward a chlorine/chloramine consensus?
I use the python as well for water changes. I simply add enough Prime to treat the volume of water the tank holds before ,I switch the python from drain to refill.
Or if you like,,draw out water into five gallon bucket(s) until you remove the amount you like. Then place a piece of scotch tape out of sight on the glass somewhere and mark it with a sharpie .
In this way you will know exactly how much water you have drawn out depending on number of buckets and can dose accordingly.
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Old 09-15-2010, 02:09 AM   #6
 
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Dunno why I never thought of adding in the Prime between the drain and the fill. Suppose that works well and will keep me from forgetting again.
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Old 09-16-2010, 11:58 AM   #7
 
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Dunno why I never thought of adding in the Prime between the drain and the fill. Suppose that works well and will keep me from forgetting again.
What I do is just add the conditioner when I start the refill (with a python). I don't add the conditioner to the tank first because I am draining out water, and at the tap I adjust the warm to get the temp correct before I switch the valve to refill. Then I walk back to the fishroom and squirt conditioner into the tank in front of the python. [This is now force of habit, so I never forget as I once did years ago.] In larger tanks this is fine, in small tanks there will be much more of an effect so ensuring it is added before would be best. I use a bucket for my 10g because the python has too great a water flow in such a small tank, and I treat the bucket obviously.

From what you've told us, I would suspect chlorine/chloramine to be the culprit. Rasbora are delicate as someone else mentioned. Chlorine/chloramine burns the gills, usually you will see the fish at the surface, then gasping, then dead. Chloramine has ammonia connected, and this does much the same, literally suffocating the fish.

I always check the fish in the tank right after the refill, as I once forgot conditioner in a 70g with 50% water change, and as soon as the tank was filled I saw trouble and realized instinctively what had happened; adding conditioner then saved most of the fish, but several died within minutes. It depends upon the amount of chlorine/chloramine in your water and the volume involved.

Byron.
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Old 09-16-2010, 04:12 PM   #8
 
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Thanks Byron. It's been two days and everybody seems happy now so I think that must have been it. I've been watching them all more closely than ususal, but other than that nothing seems awry anymore.
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Old 09-17-2010, 12:02 AM   #9
 
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Originally Posted by Byron View Post
What I do is just add the conditioner when I start the refill (with a python). I don't add the conditioner to the tank first because I am draining out water, and at the tap I adjust the warm to get the temp correct before I switch the valve to refill. Then I walk back to the fishroom and squirt conditioner into the tank in front of the python. [This is now force of habit, so I never forget as I once did years ago.] In larger tanks this is fine, in small tanks there will be much more of an effect so ensuring it is added before would be best. I use a bucket for my 10g because the python has too great a water flow in such a small tank, and I treat the bucket obviously.

From what you've told us, I would suspect chlorine/chloramine to be the culprit. Rasbora are delicate as someone else mentioned. Chlorine/chloramine burns the gills, usually you will see the fish at the surface, then gasping, then dead. Chloramine has ammonia connected, and this does much the same, literally suffocating the fish.

I always check the fish in the tank right after the refill, as I once forgot conditioner in a 70g with 50% water change, and as soon as the tank was filled I saw trouble and realized instinctively what had happened; adding conditioner then saved most of the fish, but several died within minutes. It depends upon the amount of chlorine/chloramine in your water and the volume involved.

Byron.

Yeah,What Byron said. It is same way I do it ,cept I run back to the tank in the living room , hopping over the coffee table and footstool, that my girlfriends grandaughter seems to always leave in a different spot.
She pushes the foot stool over to the tank to climb up ,and see the fishies.
If I'm quick, I get to the tank before the water from the python gets to the tank.
Perhaps not necessary that I run to the tank ,but girlfriend and grandaughter, find it humorous.
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Old 09-21-2010, 12:46 AM   #10
 
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I did my water change again today (It's monday!) and did as you had suggested, putting the Prime in after having taken out what I was taking out and just before refilling. Everything seems fine and no one seems stressed. I'm glad I've got this sorted out, just sad that I'm down four fish as a result of my stupidity.
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