[Markp80nj]

So, today is the third day I find one dead cory in my tank.
First day the were two, but I don't know if one was from the day before.
I have changed nothing in the tank.
All I did was a water change this weekend.
Every one else seems fine.
I got guppies, African dwarf frogs, otos, all kind of snails, and they all seem ok.
These fish are tank born, and are almost three months old.

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[Markp80nj]

Today the same deal.
One more dead.
Could it be there's to many of them?
I have given a few away, but last I checked the were about 30 of them.

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[nyxkitten]

Are they eating? Maybe not eating enough? What the water parameters?

 

[Seattle_Aquarist]

Hi Markp80nj,

Have you checked for ammonia / nitrites/ nitrates? It sounds like you are raising these corys?

What I have found when raising any batch of fry (Apistos, Corys, Rainbows) is that as the fish grow, and I feed them more, I have to increase my filtration and water changes to offset the increased waste from the additional food.

 

[Markp80nj]

All I can tell you is that my gh is 7 and my kh is 5.
This is what I keep it as with equilibrium and baking soda.
I don't have any other test kit yet.
But wouldn't otos and adf's also die with bad parameters?
I thought they would be more finicky then cories.
I am afraid about the food.
I started feeding a little more now, so I guess let's see how it goes.

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[nyxkitten]

My husband has high nirates and none of his fish are dead. But doing a massive water change on his tank will kill them off because they adapted to the water quality.

Being young fish they may not have adapt to the change of the water quality.

 

[Markp80nj]

Thanks for the replies, to both of you.
I think this might be overpopulation.
I didn't want all these fish.
I started with three, and didn't even think they would reproduce.
Add to this the massive amount of guppies I have, and the you go.
I guess the young guppies aren't dieing because guppies are supposed to be pretty hardy, right?
Anyway, I've tried to give them away, here and on Craigslist, without success.
I gave some to a few friends, but there's still to many.
What should I do?

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[nyxkitten]

some pet stores take them for free or even give store credit? You can always ask.

 

[Markp80nj]

There's a small mom and pop pet store in my town.
Maybe they'll take them, because I don't think petsmart/petco take them.
I'll have to swing by and see.

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[nyxkitten]

I have a friend in Virgina and said that the petco near her does take fish but will not pay you. So I would give them a call and ask.

I figure they would take them on account alot of people move and don't know what to do with their fish sometimes.

 

[Markp80nj]

I'm going to petsmart this weekend.
I'll ask them.
Thanks for all the help.

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