Why are my male guppies dying?

Question

My tank is 2 days old, Biopro T-639, 34 literes.

I bought 5 male guppies, 6 female guppies, 2 neon tetras, 2 suckies (plecos).

Within the last five hours both my tetras and on male guppy have died.

One neon choked on a huge piece of flake and another neon got infected by the bacterial bloom in the tank and started discolouring.

I isolated all the sick fish once I realized they are dying (no delay since I have been watching the tank almost every other minute).

The male guppy that died started just floating with the current, went low and hid in between a plastic plant I put in. Then he got himself stuck to the filter, that's when I took him out and isolated him. In isolation I realized every time I nudge him with something, or if he hears a sound, or just for no reason, he Isabel is able to dart. But then he goes back to floating with the current  tummy up. Didn't want to eat either,

Now another male guppy is going through the same thing, so I have just isolated him and i supposed he is going to die too. I want to know why they are dying because I have so many guppies and I don't want to lose all of them.

Also to note, my ratio of males to females is almost 1:1 plus all my females are pregnant so the. Ales have been pretty unlucky trying to mate, but they did try like a lot. Especially this one that is dying, he is one of them that tried so much to mate, and forcefully. I wonder if the dying could have anything to do with the inability to mate. (Please note, when I both these guppies the males and females were already isolated in huge tanks on top of each other, they can't see each other)

? · Accepted Answer

It's a new tank and doesn't sound cycled. You have a fair number of fish and bacteria to eat up the ammonia they produce which is toxic. That's alos why you got a bacterial bloom: the few bacteria that are there are desperately trying to multiply to be able to process the ammonia and nitrite. You should get a test kit to see how high your ammonia and litrate levels are. The they are over 1 or 2, you need to doa 40% water change and adda bottle of Bio Spira or other generic nitrfying bacteria in a bottle and your tank will be cycled in 2 days at most. it's too late to do it the traditional way or more fish may die.

Make sure if you  get a  generic brand of Bio spira that is says "contains live nitrgoen fixing bacteria" Petco carries  Instant Ocean Brand Bio Spira. You should only need about 1/4 to 1/3 of a small bottle to resolve the problem.

There is another remote possibility, if the Neons are fairly new, they may have Neon Tetra or False Neon Tetra Disease. both are contagious and do cause discoloration and are fatal. There is no difference in symptoms, but you can cure False Neon Disease with tetracycline. There is no cure for true Neon Disease.

? · Answer

your tank must sit with the filters running for 1 month at least before adding any fish! exspecially guppies!

take the fish out and return them. they failed to inform you of this and they should of said this.

they will all die

in additions guppies need a 2:1 ratio. that means 2 females for every male.

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Why are my male guppies dying?

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