breeding corys - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 11-25-2010, 03:32 PM Thread Starter
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breeding corys

hi i dont have a comment about green alge but i noticed your member name showed up when i was researching juli cories.
could you tell me anything about breeding.
i have one of three that has a very large abdomen with in the last four days.
i dont know what to make of it . can you share some wisdom or experince? please
thank you for your time christina l k
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post #2 of 7 Old 11-25-2010, 04:28 PM
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Corydoras will spawn in community aquaria, sometimes quite regularly; but the eggs usually are found and eaten by them or other fish, and if the fry should hatch they too will readily be eaten. If you want to spawn/breed them, it is best to use a separate tank and remove the parents after the eggs are laid.

The female of all cory species is naturally rounder than the male particularly when viewed from above. Increased girth could well be eggs, but it could also mean other health issues.

If it is eggs, the female will be followed/chased around the tank by one or more males who will nudge her periodically. The fertilized eggs, usually 1 or 2 at a time, are carried in the pocket formed by the female's ventral fins and deposited on the underside of a leaf, or sometimes on the aquarium glass. Spawning is often initiated with a water change, as the influx of different parameter water stimulates the fish. If you see any of these signs, it may well be spawning.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #3 of 7 Old 11-25-2010, 04:32 PM
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Christina, I have five bronze corys that spawn all the time. How big of a tank are they in? What other fish are in with them. I always find a 20% water change with slightly cooler water induces them to spawn. Mine seem to spawn in the AM. Watch them they will leave there eggs on plants and love the glass. Let me no good luck... Jack

When looking for a solution to an Aquarium problem go slow and change only one parameter at a time!
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post #4 of 7 Old 11-25-2010, 04:40 PM Thread Starter
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thank you for your help
nobody really seems to be chasing it
i saw a thread on bloating and i hope thats not it but the other two seem to look like they did
i will keep watch
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post #5 of 7 Old 11-25-2010, 04:47 PM Thread Starter
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hi thanks for the reply
i have a 55 gallon tank
i have a long list of community fish
of course i have a heater but it has been colder then the norm here
i do a water change every week probably 20%
this cory seems to be secluding its self more then i recall
so babies or not im just hoping its healthy
i think the fry would be eaten anyway but i can prepare for anoyher time
thans agian clk
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post #6 of 7 Old 11-25-2010, 04:55 PM
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In case it is a health issue, food can be important. Feed as much variety as you can, sinking foods including at least one vegetable one (they will eat it). Don't feed worms exclusively or too frequently (frozen or live).

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #7 of 7 Old 11-26-2010, 12:53 AM Thread Starter
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i wonder why not so many worms?
i ussually do feed them worms on the weekends
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