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Golden

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  1. What signs of fluke related symptoms would you expect to see in a pic of a fry? I am a little stumped by your question given the confidence you have in claiming that the OP's fry deaths were caused by flukes. Can I ask how much experience you've had with flukes? Please reread post #8. In addition to what's posted in post #8, you'll notice that the mouths and heads will not appear normal. A fry in an "advanced state" of being infested will have less of a smooth head that you see in the pictures the OP posted. Mouths will also take on a different shape. Experienced breeders often describe this as looking like a bulldog's head. Fry that show these symptoms are the one's that die. With that explained, I'd like to repeat that GROUPS of fry that die at the same time for no apparent reason (as in the OP's case) is usually caused by the water. And for what it's worth, from my experience on another fish forum I'm on...fish keepers who fail to provide water parameters when prompted are usually the ones who don't test or take note of their water (and is more than likely the assumed cause of death in each case when everything else appeared normal at the time of deaths)...
  2. I see no signs of fluke related symptoms in the pictures...but yes they will benefit from prazi-pro regardless. To address your earlier fry deaths - if you've been feeding egg yolk throughout this whole time, I have no doubt in my mind that it was the water. Egg yolk makes the water really unstable in a matter of hours if it isn't cleaned soon after. Good luck with them!
  3. I too have had my fair share of flukes. In all of my fluke infested spawns, I did not see groups of fish dying off in a matter of hours - as the OP claimed has happened to hers… In her words, “It was very sudden! They were all doing good and 4 hrs later 8 of them were dead.” Although they could have been very well be harboring flukes, the fact that a group of them died within hours is very suspicious (especially coming from a small spawn). This is why I suggested water quality. According to the OP, it sounded like they were originally eating and swimming well to the day...then, as one day progressed, the fry started to suddenly expire. This is the opposite of one would see in a fluke infested spawn. In fluke infested spawns, you’ll usually notice far along that something is wrong. The fry will lack energy and appetite. They arrange in the upper part of the tank because the (gill) flukes are depriving them of oxygen. Bellies will always be empty or near empty in most fry. They’ll then start to look deformed due to the lack of nutrition. In your case, you saw that your fry weren't eating...OP did not claim this to be an issue. In sum, and in my experience, flukes will take a fry’s life over a period of days (from when first symptoms show), not hours. I've tried raising small numbers of fry in two gallon containers in the past. Water can go bad really quick in these small containers…especially if you’re dealing with small amounts of water, large amounts of food, and no water change for even a day. As for possible causes of heavy infestations in anyone's case, the possibility of better conditions for flukes to grow and reproduce in a fry tank can result in heavy infestation. In a small tank with a lot of fry, flukes can spread like wildfire. Killing will take a little while longer.
  4. Who told you to treat with prazi? Did the person confirm that it is in fact flukes? It's just quite interesting for me to hear that flukes can kill as soon as they're 5 days old; I'd assume that your tank is heavily infested if that's the case. It's more usual to see flukes start affecting fry at around 2 weeks old. Prazi as a preventative measure is always good too. What were your water parameters (including temperature)? From what I've seen, bad water quality is more likely to kill fry first over anything else. I start my fry off in 10 gal tanks half filled. Anything smaller will result in water that fouls faster regardless of how many fry you have (due to the overfeeding).
  5. Thanks for your prompt reply About to do the water change now. Speaking of air stones...my fry seem to frequent the water's surface. They aren't (primarily) gulping for air, but can't figure out if there's something wrong. Other than hanging out just below the surface, the fry seem to be doing well. They swim towards the bottom during feeding and most seem to have full bellies. They've had an airstone since they were in their eggs. Is it normal for them to hang out just below the surface?
  6. My fry are two weeks old and were treated with Prazi-Pro yesterday. It’s been close to 24 hours and the water has turned the cloudiest it’s been ever (presumably due to the treatment and/or lack of water changes). I plan to do a water change soon. Because Prazi-Pro is active for a few days (as the bottle claims), I have some questions as to how you all do water changes. 1. How long are your fry continually swimming in Prazi-Pro for in the “first treatment,” and each subsequent treatment? 2. Do I change 100% of the water, or do I do a partial water change? Do I add more Prazi-Pro to the new water that’s added? 3. Can some of you share your treatment schedule that you follow for your fry to help me get an idea for how to proceed next? Bottle doesn’t really provide much information about treating fry and I don’t want to overdose (and under dose) them on it!
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