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Showing results for tags 'post-mortem'.
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I got a couple new fish that I ordered online. Ordered chili rasboras and CPDs. On arrival I had half the chili rasboras dead. I put them in a cycled QT tank. The chili rasboras all died, fortunately the CPDs are looking good. They have colored back up and eating well. But had a couple suddenly die with distinct yellow internal coloring. Picture attached shows a CPD that is clearly colored up, the fins if in water are fully visibly orange. But the belly and top of the head are very visibly bright neon yellow. As all the fish in the QT, not concerned about spreading but would like to have an idea of what it is so I could treat it effectively. Tank parameters are Amon and Nitrite 0 ppm. Nitrate 10-20 ppm. Hard water. pH 7.2.
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We had our first death since Kismet and Karma died last year. Fed the spouse's Memorial tank this morning at 10 am, everyone looked great. Went in at noon to prune plants, and discovered a dead endler female in the top of the plants... and she definitely wasn't there when I fed the tank earlier. Oldest fish in the tank are the original 6 females who are just over a year old.,, rest of fish have been bred in this tank except 3 endler males I introduced after first batch of babies were born. I did treat this area of the tank with H2O2 3 days ago, due to a small patch of cyanobacteria in the hornwort. Ammonia: 0 ppm Nitrites: 0 ppm Nitrates: 0 ppm pH 7.2 kH ~120 ppm GH ~75 ppm Temp: 72.4 F TDS: 480 This is a 4' tank and approximately 30 gallons. Heavily planted, well established tank since May last year. Has had an on again/off again cyanobacteria issue that is (thank you @Mmiller2001) getting under control as I slowly lower the TDS, remove contaminated plants, siphon out, and spot treat the occasional spot that shows back up in the plants with H2O2. Last H2O2 treatment was Sunday evening. I don't know if the fish died of natural causes, and was bumped up to the top due to the feeding frenzy earlier, and the camera simply picked up the beginning of decom? Or if the fuzzy growth around the gills and mouth is what killed the fish, and I need to treat the entire tank. @Colu and @Odd Duck I no longer have a microscope. This tank has been really stable, I really don't want to have to treat if at all possible. I spent the past hour looking for any other fish showing any symptoms, and everyone looks healthy... I do need to trim out about 20% of the plant matter again to see clearly into the majority of the tank. Nerites and ramshorns are very happy with water quality, and I do pre-emptively treat my fish in quarantine. What is your opinion? Died of natural causes and I'm seeing fungus or something that set in after the fact? Or am I looking at cause of death?
