tiger oscars breeding?
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tiger oscars breeding?

This is a discussion on tiger oscars breeding? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> hi again every one. i have had a problem brought to me by a friend that his tiger oscars are not doing sowell in ...

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tiger oscars breeding?
Old 09-05-2012, 09:30 PM   #1
 
tiger oscars breeding?

hi again every one.

i have had a problem brought to me by a friend that his tiger oscars are not doing sowell in there breeding...

the female will spread out the eggs and the male will do his thing over them and thats all they can tell me. couse nothing els happens the eggs dont hatch and they then eat the eggs with in the week. my first thought was that the eggs need more time to hatch but if any one can tell me whats going wrong or how to breed oscars i would be happy. thanx heaps
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Old 09-06-2012, 04:55 AM   #2
 
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Are any of the eggs fertile? Or are all of them getting white with fungus?

Sometimes, spawning occurs when only two females are present. Could this be the case?


Are these young fish? Sometimes the first couple spawnings end this way, then the couple figure things out. My severums did three or four "test runs" before we got fry that lived.

Is your friend providing a nice flat piece of slate on which they can spawn? The female should not be spreading the eggs out, they should be all together on one horizontal surface.

If the eggs are fertile and the female lays them on slate, your friend can remove the slate to a fry tank, treat the water with methylene blue to fight fungus, and try to raise the fry away from the parents.

Manwhile, the pair might get its act together. . .
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Old 09-08-2012, 04:43 PM   #3
 
fry ?

see you have lost me now when u mention fry. the only thing i can think about is fry and bender of that cartoon...
please exsplain
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Old 09-08-2012, 04:48 PM   #4
 
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Fry are the baby fishes.
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Old 09-08-2012, 04:54 PM   #5
 
..

ok when i said spread out i mean all over the slate they have in there not alll over the tank. or are u trying to say they should be in a ile on the slate?...and what could couse them not to hatch or be infertile
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Old 09-08-2012, 06:06 PM   #6
 
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Oscars usually lay their eggs on a flat stone. If a suitable surface is not provided they may dig down to the bare bottom of the tank and lay eggs on the glass: one big patch of eggs rather neatly organized, each egg affixed to the surface, never on top of one another. The female makes a pass, laying several eggs and the male follows, fertilizing them. If the eggs are fertile, they will usually stay light brown in color, translucent. If they are infertile they will always turn white with fungus. If water condtions are unsuitable (dirty water, wrong pH, too hard) the eggs may get fertilized, but fail to develop and fungus anyway.

Before you fault either of these fish, your friend should check the water in this tank to make sure it is suitable for breeding oscars. Oscars can live in a pretty wide range of water conditions, but in order to breed them, you may need to come up with water that is closer to what oscars are used to in the wild: softer and more acidic (or at least neutral) conditions. Oscars are not the easiest or most difficult cichlids to breed, but your friend can't simply expect young fish. Or your friend may not have been keeping up with his weekly maintenance and the water is very high in nitrate. So have him check on the water for quality and chemistry to make sure it's clean enough, soft enough, acidic enough.

As I said, a couple things could be going on with these particular fish. These are some possibilities:

1. Your friend doesn't have a true pair. He has two females, which, even though they are mimicking the breeding ritual, the eggs are infertile. Solution: get a male.

2. Your friend has a young pair. They female is laying eggs, but the male is not yet producing sperm. He passes over the eggs to fertilize them, but he is not yet mature enough. Solution: wait. Let the pair spawn a few more times. Maybe he will start fertilizing the eggs and they will turn into model parents.

3. The male is plenty mature enough, but is sterile: he is not producing any sperm at all he never will and no spawning ever results in fertile eggs. Solution: get a different male.

The eggs should hatch in 3-4 days; the parents tend them and guard them, then after hatching, usually move the whole bunch of them to a pit dug in the gravel. The baby fish are called 'wrigglers' at this stage. They do not swim, and they are absorbing their yolk sacs. After another few days, the fry begin to swim, the parents continue to guard them, shepherding them around the tank, and you provide some food for them to eat.

Some pairs raise their spawns well, others will always eat the eggs. This is why some breeders choose to rise the eggs apart from the parents. It doesn't matter if the eggs are fertile or not if the fish won't stop eating them!

Last edited by sidluckman; 09-08-2012 at 06:09 PM..
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Old 09-08-2012, 06:47 PM   #7
 
Fry is the proper name for free swimming baby fish. Angelfish Growth Stages this has a good breakdown.
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Old 09-09-2012, 03:45 AM   #8
 
thank you so much guys that makes so much sence i will pass it on and it will also help me with my fish keeping in futer thanx again
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