Eggs!

[newfishaddict]

Hi, I have some albino corries that have been in a quaratine tank for the past 4 weeks due to a bacterial infection in their "guts". Two nights ago after a 30% water change they spawed, 100s of eggs , I counted about 200.

The parents act very healty but still have dark patches in their bellies...I have moved the parents to my 29g and the eggs are now in a highly oxygenated 10g with no substrate, and filter on low with a sponge covering the intake...

about 2% of the eggs have a light spot on them, this is fungus isnt it?

I need to know because I could remove the infected eggs...

I should add that I have one fry in the same tank (the 10g that the corry fry are in) this lone fry from my 55g is likely a neon rainobow fish; this fry is 3 weeks old and seems to be fine; this suggests my water quality has been fine.

I have not tested each day but now I get amm and niti = 0 ,

Thanks so much
newfish

 

[smithrc]

If its fuzzy its fungus - a tiny dot is normal.

 

[newfishaddict]

If its fuzzy its fungus - a tiny dot is normal.

hmmm, I cant seem to see they are so small...I ll get better lighting and check; thanks!

 

[Fishkeeper2004]

Congratulations on the eggs! Small brown/black dots inside the eggs is a good sign of development, so unless the eggs start to fungus (go furry/fuzzy), then dont remove them for at least 5-7 days, as hatch rates can vary.

 

[Inchworm]

Hi newfishaddict

Congratulations! I hope you will continue to post about the progress your soon-to-be-hatched fry make.

It sounds like you have a nice set-up for raising them. Is there any medicine left in the water? If so, it might be a good idea to add carbon to the filter to remove it all.

Even if a few eggs develop fungus, it's likely that most of the eggs will hatch before it spreads. Unless fungused eggs are by themselves, I usually leave them alone to avoid damaging the good eggs by trying to get them out.

Adding Methylene blue, at the rate of one drop per gallon, is sometimes helpful too. It will be removed when you are doing the daily water changes necessary to keep the fry healthy.

How are the parents doing? If you are in any doubt that they have completely recovered, please repeat their treatment until they are completely well.

 

[newfishaddict]

Hi, I have some albino corries that have been in a quarantine tank for the past 4 weeks due to a bacterial infection in their "guts". Two nights ago after a 30% water change they spawned, 100s of eggs , I counted about 200.

The parents act very healthy but still have dark patches in their bellies...I have moved the parents to my 29g and the eggs are now in a highly oxygenated 10g with no substrate, and filter on low with a sponge covering the intake...

about 2% of the eggs have a light spot on them, this is fungus isnt it?

I need to know because I could remove the infected eggs...

Thanks so much
newfish

I had about 60% of 180 eggs hatch! wow, but about 90% of fry die within 36hrs.

Last time my albino corrie fry died it was obvious why, the water smelled TERRIBLE, bacteria suspected.

This time, no smell, just dying fry, they seem to have "bent tails" and swim crooked...

I suspect problems could be:
1)small amount of antibiotics in the water when the eggs were laid (minor suspicion here)
2)non-aged water for water changes hours before the eggs hatched (I thought the eggs would take 48-72hrs to hatch, they seemed to hatch in 36hrs, so the fry came sooner than expected....
3)my tap water is : ph7.8 kh100 the 240(one experienced member suggested this total hardness was too high for cory fry.....

What do you think?

 

[newfishaddict]

Hi newfishaddict

Congratulations! I hope you will continue to post about the progress your soon-to-be-hatched fry make.

It sounds like you have a nice set-up for raising them. Is there any medicine left in the water? If so, it might be a good idea to add carbon to the filter to remove it all.

Even if a few eggs develop fungus, it's likely that most of the eggs will hatch before it spreads. Unless fungused eggs are by themselves, I usually leave them alone to avoid damaging the good eggs by trying to get them out.

Adding Methylene blue, at the rate of one drop per gallon, is sometimes helpful too. It will be removed when you are doing the daily water changes necessary to keep the fry healthy.

How are the parents doing? If you are in any doubt that they have completely recovered, please repeat their treatment until they are completely well.

I moved the parents to my 29g; they swim and eat very actively and behave like they are not sick, but I can still see dark patches in their bellies. I am going to feed them medicated food with kanaplex and tetracycline at the same time; I have treated these fish numerous times and the dark patches never completely go away so this time I am going to use two antibiotics. What antibiotic is best for this problem? I have kanaplex, tetracycline, and erythromycin...

Yesterday all my fry appeared to be dying or dead......today there are about 20-40 healthy fry in the tank, not sure what happened here.....The fry seem to have grown very fast and are already as long as my 2 week old fry that I suspect is a neon-rainbow fish.

Good news all in all: i have about 30 corry fry and one "mystery" fry from my 55g tank....

 

[newfishaddict]

update:

I have about 55 healthy corry fry...some have grown very very fast and look like cories, and a few still have their egg sacks....

yay

 

[pieman]

You'll have to put up some pictures of your lovely fry