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Guppy Deaths - Nightmare!

This is a discussion on Guppy Deaths - Nightmare! within the Tropical Fish Diseases forums, part of the Freshwater Fish and Aquariums category; --> I mean carbon in your filter, black stuff. Usually a pad but sometimes it's little balls or beads....

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Guppy Deaths - Nightmare!
Old 09-21-2011, 03:26 PM   #11
 
I mean carbon in your filter, black stuff. Usually a pad but sometimes it's little balls or beads.
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Old 09-21-2011, 03:52 PM   #12
 
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Ok, I'm going to weigh in with a recommendation based on having a similar issue. I don't know that you have the same issue but...
Some of my guppies in my 29 gallon tank were dying with no visible cause of death, some had what appeared to be dropsy before death. Other fish I placed in the tank (multiple danios, a dwarf gourami, and young common pleco) died with no visible indicators, they just quit eating and wasted away. I started doing frequent water changes (every day about 60%, including a gravel vacuum) and the death rate slowed, but did not stop. Shortly after this, Angelfish in my 55 gallon tank showed very visible signs of camallanus worms. Interestingly, the guppies had been housed in that 55 temporarily before I set up the 29 gallon. The frequent gravel vac and water changes in my 29 seemed to lessen the worm infestation rate.

Anyway, I treated all my tanks for camallanus, the unexplained deaths stopped, and I have not had an issue since. From my reading, it appears that guppies are common carriers of this internal parasite, but they don't necessarily show the obvious symptoms (worms hanging out their vent opening). I'm not advocating a "shotgun" treatment approach, that can cause problems of it's own! However, if all else fails and your water quality is good, you might want to consider a prophylactic treatment for internal parasites. It's part of my quarantine tank routine now. I don't ever want to deal with that again in my larger tank.
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Old 09-21-2011, 04:14 PM   #13
 
DKRST, do you treat all your new fish even if they don't show signs of Parasits?
ladayen, I'm not entirely sure what's inside them, my filter is a Marina S20 with cartridges that's slide in... I'll probably rip one of them open at the end of the month (when I change them) to finally take a look.
She appears to be swimming around better and the fungus appears to be gone but I'm reluctant in putting her back in the tank incase she has some other problem.
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Old 09-21-2011, 06:11 PM   #14
 
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I agree it sure does sound like something is nipping at them. Some times male mollys can be aggressive Ive seen them pick on my guppies I dont keep mollys anymore the sail fins seem to be the worst. Are glowfish tetras
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Old 09-21-2011, 07:44 PM   #15
 
Quote:
Originally Posted by Alekinha View Post
DKRST, do you treat all your new fish even if they don't show signs of Parasits?
ladayen, I'm not entirely sure what's inside them, my filter is a Marina S20 with cartridges that's slide in... I'll probably rip one of them open at the end of the month (when I change them) to finally take a look.
She appears to be swimming around better and the fungus appears to be gone but I'm reluctant in putting her back in the tank incase she has some other problem.
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Yes more than likely they have carbon inside them, some medications require you to remove the carbon for them to work. Make sure you only change one cartridge at a time, ideally change one wait 2 weeks then change the other, your beneficial bacteria is growing on them, or you can just rise them off in a bucket of old tank water (which is what I do).

In my experience melafix is only good for small scrapes etc to prevent a secondary infection not actually treating a problem.
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Old 09-22-2011, 09:16 AM   #16
 
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Quote:
Originally Posted by Alekinha View Post
DKRST, do you treat all your new fish even if they don't show signs of Parasits?
I didn't do any anti-parasite treatments historically, but I do now. All new incoming fish, unless I'm positive the source keeps their fish in good shape, get a 6-8 weeks quarantine and, after settling in, a general prophylactic parasite treatment before they go into any other tanks (I use Levamisole HCL, Fenbendazole-soaked food, or Flubendazole [my current favorite]). Even fish from sources that I trust (forum friends) get a 6-8 week quarantine! I have also decided to do an annual anti-parasite treatment on all my tanks, just in case.

I believe quarantine and anti-parasite prophylactic treatment is particularly important when purchasing fish from "big-box" stores. Some of the anti-parasite meds also kill common nasties like IcK.

Again, I do not know if you have a parasite issue, that's just what I finally discovered. Angelfish (and especially Discus) are also noted carriers of parasitic nematodes.
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