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Discussion Starter · #1 ·
I have a pair of angel fish that lay eggs every couple weeks. They both make their passes over them and take turns fanning the eggs. They are aggressive to other fish in their territory. But they eat them overnight. I've only seen them one time keep any of their eggs into the third day. That was in a 55 gallon tank.

Since then, I have moved them back into their 29 gallon and moved everyone else out except for 2 corys and 2 plecos.

Yesterday they layed their eggs again and tonight they are gone.

I guess they like caviar too.

My water parameters are:
pH 8.4
KH 34
GH 2

What do you think?
 

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It's not uncommon...unfortunately it seems like the domestication process has kind of messed with the parent-raising instinct a bit. You'll find some pairs here and there that are good parent-raisers, but otherwise if you want those guys to hatch you'll have to take them away and raise them yourself. I have two pairs and neither of them parent-raise. They just eat 'em.
 

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I've not breed angles personally but many suggest leaving a light on in the room (like a lamp) so its never completely dark. Apparently, many owners claim they seem to eat the eggs when its "night" possibly because the parents don't want the eggs to be eaten by other fish... not the most sound logic but for brains their size not unfeasible..

I'd pesonally remove all fish but the angles from the tank and let them try it again. If successful maybe put the bottom dweller back after the babies have grown a bit. What type of pleco do you have?
 

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Unless you have seen them actually eat the eggs, I would guess you are blaming the wrong one. They will remove and eat the eggs which are not fertile but that does not mean they eat them all.
I keep in mind that angels sleep at night and that plecos eat mostly at night after the lights go out.
 

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Rich makes a good point. If you really want to raise them, not sure why you're leaving cories and plecos in the tank with them. At the very least, if the eggs disappear when the angels are alone, you'll prove they are the culprits.
 

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Discussion Starter · #6 ·
I have personally watched them eat every last egg.

I have tried to leave the light on.
I haven't seen any other fish even get close to their eggs. They are very adamant about nobody else getting their eggs.
One of the pleco is an albino bristle nose that is 6" long.
The other is an unknown variety that is very reclusive. It is black with little yellow spots.

I used to raise angle fish too and removing the eggs and raising them is a pain in the butt.
 

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Discussion Starter · #7 ·
If you really want to raise them, not sure why you're leaving cories and plecos in the tank with them.
Because raising the angel fish wasn't the main focus when we bought the angels but since they are laying eggs why not raise them?

The next step is to put the bottom dwellers into their own tank.
 

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it is common, take three days to hatch but young parents don't know how long to wait....

cover the eggs with transparent plastic bottle so they can't reach the eggs, make sure there is some way to provide oxygen to the eggs, such as air bubble or good water exchange, after 3 days once the eggs hatched, remove the bottle and let the parents tame their young.
and next time the parents will know how long to wait.

after eggs hatched, young parents still need to learn how to take care of their young, that is another process...

take the corys and the plecos out, they will eat the hatch-lings at night while the small fish hiding in the substrate in group.
 

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Discussion Starter · #10 · (Edited)
and also the next step to MTS syndrome! :)
Yes, MTS is bad and there is no know cure.

I already have plans for a Discus tank in my office.
 

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Discussion Starter · #11 ·
it is common, take three days to hatch but young parents don't know how long to wait....

cover the eggs with transparent plastic bottle so they can't reach the eggs, make sure there is some way to provide oxygen to the eggs, such as air bubble or good water exchange, after 3 days once the eggs hatched, remove the bottle and let the parents tame their young.
and next time the parents will know how long to wait.

after eggs hatched, young parents still need to learn how to take care of their young, that is another process...

take the corys and the plecos out, they will eat the hatch-lings at night while the small fish hiding in the substrate in group.
Hmmmmm, protecting the eggs might work. It is worth a try. Thanks
 

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There is another point that might be something to fool you. There are times when two females will go through the motions just as if they were a pair. My daughter had a "pair" who laid eggs repeatedly only to eat them quite soon after. We finally brought the "male" to my tank to live with my group. It took less than a month for "her" to lay eggs which did hatch. I have never felt good about determining sex from just appearances so had just assumed when they "paired" that they had it right. But then there were only two of them in that tank so maybe the options were not good from the start?
You might really check for solid evidence that they are a male/female pair? In my case, the motions were all there but just not the results.
 

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Discussion Starter · #13 ·
Rich, you might be right. I've even tried showing them fish porn but nothing has worked. lol not really.

I looked and one of them has a more pronounced "tube" that is flatter and the other has one the is more pointed.
 
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