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Tropical Aquariums
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Breeding Tropicals
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Breeding Corydoras
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Hi,
John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.
I wish to thank John for his hard work in keeping the forum going.
With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.
I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.
If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.
I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.
I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.
Thank you
Darragh Sherwin
Breeding Corydoras
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07 Apr 2010 17:19 #1
by DJK (David Kinsella)
My Corydoras spawned again today after only spawning 3 weeks ago. All the eggs back then where duds but this time they seem to be fertilised. Strangely enough I only brought the female down to the LFS on Saturday to get her diagnosed with a strange type of fungus with some of her tank mates having the same problem, but to a lesser degree. I immediately treated the tank with Protozin and day 6 of the treatment starts tomorrow. All the fish in the tank include just 1 male and 1 female corydoras and 15 six month old fry from the same breeding pair.
Just wondering should I complete day 6 of the treatment keeping in mind the new eggs. The fish are obviously in good health again.
Dave
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07 Apr 2010 17:25 #2
by JohnH (John)
Dave,
I don't know how Protozin would affect newly-laid eggs so my inclination would be to leave out the final dose but do the recommended water change.
But...keep a close eye on the situation, if the ailment returns start up the treatment again regardless of the eggs/fry.
Better to lose them than your adults - which should give you other opportunities for more offspring later.
John
Location:
N. Tipp
We're just two lost souls swimming in a fish bowl - year after year.
ITFS member.
It's a long way to Tipperary.
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07 Apr 2010 17:47 #3
by DJK (David Kinsella)
Thanks John
That sounds like good advice but I'm not worried about the fry at all. I saw them getting in on the act this afternoon. A total frenzy. Hope I don't get inbreds:ohmy:
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19 Apr 2010 20:27 #4
by DJK (David Kinsella)
Relating to my original post on 8 April I ended up with only 1 hatched fry which is still doing well today. Strangely enough the same pair of Bronze Corydoras spawned again on 13 April with virtually all the eggs hatching. A total bonanza. A total of about 50 in a breeding net(after hoovering) and maybe 10 or so left in the substrate.
I was talking to some experienced fish keepers and they cannot beleive it, but it's true.
I have just moved on 15 six month old fry from the same breeding pair 2 weeks ago who were also beginning to show breeding signs despite their age. Darragh was saying this is quite possible.
Dave
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19 Apr 2010 21:30 #5
by Daragh_Owens (Daragh Owens)
Congratulations, corys although all closely related vary considerably in their spawning habits. Some lay a huge volume of eggs in one go and that's it for a decent period of time. Others lay small numbers regularly for a period of days. Aeneus types typically seem to lay a large quantity in one day and leave it for two or three weeks. Others like davidsandsi and gossei lay very small numbers several days in a row, or if you have a davidsandsi female like mine she lays one egg every other month, she is definitely on the lazy side of normal. Most corys are seasonal, although the aeneus group will spawn almost any month if given the right conditions. For the majority it is important to have mature fish, for some that may mean two or three years old, but as you have seen that does not apply to aeneus and the most procosious of all that I have seen is schultzei, they are nearly as bad as guppies for maturing fast!
There is a video of schultzei spawning, in one go the female attached 25 eggs to the glass, as a comparison I watched an adolfi female swimming around for an hour with one egg wondering where to stick it.
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19 Apr 2010 22:16 #6
by DJK (David Kinsella)
Thanks for that Daragh,
I'd probably be better off getting another male in there to increase my chances of getting successful spawns in the future. It's a bit hit and miss at the moment but I'm very happy all the same. It's hard work you know!
Dave
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Tropical Aquariums
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Breeding Tropicals
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Breeding Corydoras
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