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New babies, Bronze(?) Cory Cats

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New babies, Bronze(?) Cory Cats
Old 07-08-2014, 10:19 PM   #21
 
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Update on Catfish...

I moved my baby Corys into another FW tank, to let this one be just for snails as I now have over 30 baby Nerites. The catfish moved are 9 in various sizes, all doing well.

They appear to be Bronze Corys, and have gotten big enough to see color, so they all have the greenish sheen to their bodies.

But today I was cleaning the community tank, and when I pulled out some plants to groom and move around, what should I see but another 5 catfish, which were also babies that survived the much bigger Mollies all around them. These were born in that tank, and managed to get up to a size that was safe with the Mollies. The 4 parents are growing and looking good, and still making eggs at least once a week. I always thought their eggs were hard to hatch and keep alive, but these are fine and now I have 4 adults, and 14 babies. And for those who don't think they can be happy in a brackish tank, well, here they are.
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Old 07-27-2014, 10:14 AM   #22
 
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Over 2 months + 2 weeks since 1st babies were hatched

Now without doing very much, I have 15 Cory catfish babies (and 4 adults). The first 4 were my not-too-planned hatching in Molly baby tank, and the others occurred pretty much by themselves in other tanks. 5 in the catfish baby tank (where I moved the first 4); 5 others in the adult catfish community tank with the Mollies; and one in my QT tank, don't ask me how it got there. The last one was the same size as the others and somehow was in the QT tank with a female Molly that was having babies. I didn't move it, could it have hatched in there from the plants -- no idea...? I did move some Hornwort in for the babies to hide in, so maybe... or it could have been living in the Hornwort -- was pretty small. I moved the Molly babies out and didn't see it -- probably was hiding.

The babies are now getting bigger, and I am thinking it may be time to move them into the community tank with Mollies, or put them in their own larger tank together with the adults. I have a 20G tank which might work for them. Right at the moment, 9 are in the baby tank which is only 5G. But it will mean finding and moving the other 10 from the community tank -- these cats move like lightning, and are far more difficult to get in the net than Mollies. Although small, they are easy to see but hard to capture. But when in one tank, it will be easier to care for them and feed them, since they like the sinking pellets and cat food. And if they have their own tank, would you not use the salt that is currently in the community tank -- it will mean those 10 will have to adjust? What do you think?

Last edited by dancelady; 07-27-2014 at 10:19 AM..
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Old 07-27-2014, 10:56 AM   #23
 
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I wish mine had bred. Lucky. lol It's always those who aren't trying that seem to have the best luck with them breeding...or bad luck for some people. LOL I had some for two years who never bred, even though I clearly had two males with a bunch of girls.
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Old 07-27-2014, 11:28 AM   #24
 
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Did you see the girls lay any eggs?

I noticed that other ladies will eat within a few minutes the eggs laid by one of them. I mean they are fast, and then no eggs are seen. I spotted this happening with mine, so I quickly scooped up the eggs right after Mom laid them -- in the first five minutes. I guess the others don't want any rivals to hatch out, or they enjoy the taste.

The most interesting thing is that some of the catfish eggs survived & actually hatched in the community tank; they hid and grew; then I saw them joyfully eating and scooting around when I took some plants out. I thought this would be impossible with all the big Mollies in there, and other grown catfish, too. But I had a lot of shells, plants, and rocks in there to hide in, so this did work for the cat babies. A wonder!

So now I have half in one tank and half in another, so want to join them up. Do you think the ones in the community tank who are adjusted to brackish water will live in a no-salt tank? I do not want to have them die after getting them to this stage. Or should I take the babies and adjust slowly their water to brackish, to get them to live in THAT water?

Last edited by dancelady; 07-27-2014 at 11:32 AM..
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Old 07-27-2014, 12:33 PM   #25
 
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No, no, no hun! No salt for cories. They can handle it for a time in small amounts, but it's VERY bad for armored fish like that. You can't acclimate them to it, it'll eventually kill them. So yes, put them in a no-salt tank right away please. ^^; You'll fry their kidneys and eventually kill them keeping them in brackish water. They hate salt, not even recommended in small doses to treat them for illness. Instead of giving their immune system a boost, it'll kick it in the face. Salt should never, ever be used on armored or scaleless fish.


And yeah, often they can eat their own eggs, and are happy to do it too, even other adults and critters in the tank will. c.c I tried keeping mine in a very well planted tank, nadda. lol One day I may try again. I'm about to change my 20 gallon to a sand tank, seriously debating on it. I'd have to move my crayfish out, but cories in a 20 gal with a few endlers? Perfect. I absolutely adore cories, it's just a question of which kind...I'm thinking Julii's or maybe pandas. Dunno though, I'm not changed yet, I'll wait to decide. I want the smaller types. I loved my emeralds and the bronze ones, but...I want different colors and a bit smaller. May even go for pygmies if I can ever find them, it's nigh impossible to find those. I've only seen pygmies once here in a few YEARS of searching.

Last edited by Sylverclaws; 07-27-2014 at 12:37 PM..
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Old 07-27-2014, 03:35 PM   #26
 
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Alrighty, a 20G tank for my Cory catfish

I did not know that Bronze Corys couldn't be in tanks with Mollies, "they" say that these cats are good teammates for Mollies. Along with Endlers and Platys, etc. Knowing that Mollies use brackish water, why would they say that? That boggles my mind...

Anyway, I will transfer them to my 20 G tank with lots of hiding places, caves, and rocks because they are not lovers of strong light. Since these aren't very old, and the babies have been in a FW tank, only the adults have been there in brackish about 6 months. Why do they act happy and mate and seem fine? Well, they will be better soon, as I move them.

I am not joking when I say that other catfish eat the eggs as soon as they are laid. They don't even stick around long enough for the Mollies to have some. And I read that adult catfish love the catlets and will eat them, too. Poor babies, too many fish want you for lunch! Even with the armored fins... A tank revision coming up soon...

BTW I put water in my 30G and it doesn't leak, despite having dropped it and dinged one side. I think it will be ready to set up soon if I can find a place for it... once you have a tank in place and filled, you can't move it very easily, so you had better like where it is!
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Old 07-27-2014, 04:33 PM   #27
 
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Quote:
Originally Posted by dancelady View Post
I did not know that Bronze Corys couldn't be in tanks with Mollies, "they" say that these cats are good teammates for Mollies. Along with Endlers and Platys, etc. Knowing that Mollies use brackish water, why would they say that? That boggles my mind...
The reason they make good tankmates for them is not everyone keeps mollies in brackish water. Many keep them in freshwater. It's not as good for them, but it is do-able. By being good tankmates for them they mean they can get along if kept together. =)
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Old 07-30-2014, 10:44 PM   #28
 
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Smile Cory Cats

Hi Fish Friends,

Congrats on your new babies. I might have my first Corys hatching in about two more days. My Corys are the Sterbai Corys. I have tried to spawn them for about 3 years. They were adults when I bought them.

I learned online, a few days ago, that the wild Sterbai's want a different environment to breed in. The wild ones want plenty of plants and décor, so I treated my Corys like Wild ones and found about 80 fertile eggs (not even eaten) after the spawning was over.

I had noticed before that lowing the water in the tank for a few months and then filling the tank, is what triggers my catfish to spawn.

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Old 07-31-2014, 03:03 PM   #29
 
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Smile The hatching range isn't high, ya know

Just so you won't get sad when you see how few will actually hatch and survive, I would guess it is 15-30% that will live, out of where you started. This is mainly that the eggs have to be at a certain water condition, temp, pH, etc. to hatch, and nature doesn't give many the go-ahead to exist. I removed mine from the tank when laid, within five minutes, so as not to be eaten by other cats. So I probably lost a few then, and they went into a small tank, that at first I didn't know that a bubbler was necessary to keep the eggs from molding. I did add it, but probably lost a lot there. Finally they are so teeny-tiny when hatched, you won't even see them, and feeding is a bit of a problem. Nice to have the First Bites or Baby Bites food to feed them, and then when you get a mess, have a snail to clean up after them. All of this you will learn, but good luck, and I hope some do survive to become real catfish. I have 19 baby Corys now, and am thrilled by it all!
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Old 07-31-2014, 07:10 PM   #30
 
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Hi dancelady,

Thanks for the advice. I had noticed a small amount of fungus within 12 hours of them spawning. I decided to wait and see how it goes before trying any medicine in the tank. I don't like adding medicine.

In this 55 gallon tank, I have 3 long air stones and not filter. I removed all of the snails that I could see, to prevent them from eating the eggs. I heard 'recently' about a shrimp that specializes in removing funguses from eggs. I have also learned about Alder Cones, that are now being used to prevent funguses on eggs. I will buy some very soon and try them next.

Today, I went down and didn't like how many eggs that I was losing, so I added some medicine to slow down the fungus. I will have more success after the next batch because as you stated 'I am learning'. I also know that it is supposed to be pretty hard to grow Sterbai Corys up from fry. They are harder to raise than many of the other Corys. I was told this from a few Cory Breeders in my fish club.

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