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EchoGhost

Fantails + Cory? And Need Help With Goldfish Fry

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So, a little backstory might be needed.

I've had goldfish all my life but I've only recently been interested in the entire hobby - not saying that I haven't cared for my fish before, I've just really gotten into it now... like, a lot! I want to provide the absolute best care for my fish so I've come to fishy forums to ask some questions! 

I got our first fantail a couple of years ago from a neighbour and she was all alone and quite timid. Since then, she's received new tank mates and really perked up with her personality. She's currently housed with 2 other (smaller) fantails and, as of recently, a beautiful ranchu. Here's where the first problem arises: I also have peppered cory in that tank. (5 peppered in total)

Now, at the time of buying the cory, I was told that they'd be fine with goldfish (so long as they can't fit in their mouths) but, after some research, I'm wondering if they'd do better in a tropical tank? I have a heater in that tank and the temperature varies from around 20C - 23C. I also have a single albino bronze cory with them and this is where I'm completely lost. I remember reading somewhere that bronze and peppered are fine together but after some recent research I read that they like to split off into their own groups. Should I get another bronze for her and should she stay in the goldie tank? 

All the fish get along just fine with each other but I want to make sure that they're all completely happy and healthy so I need some feedback and help.

I also, very recently, found out that the ranchu is male and we now have a lot of little fry swimming around. I mistook them for cory eggs (as they have laid a lot recently) so they are in a tank (24C-26C) with the cory fry. I've been reading up all I can on goldfish fry since I've had no experience with that (though I've had experience with cory fry) but any tips will be extremely helpful to make sure as many as possible make it to adulthood. 

The goldfish fry are about a week old now so literally any information is great such as what kinds of food they like, when can I move them to a bigger tank, ideal temperature ranges, and culling. This is something I really don't want to do but I'd still like information about culling and when it should come into play. 

(Plus, the fry are currently on a mix of hikari first bites, liquifry no. 1+3 and the occasional bloodworm and frozen daphnia and brine shrimp. It's a big range as the cory range a lot in age, from 1 month to 1 week)

So yeah, any tips for the newbie fish keeper would be very much appreciated! 

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Hi there!  Welcome to the group.

So you can and should use a heater with your goldfish, they’d be fine at 76-ish degrees which is more comfortable for your cories. You should definitely separate the fry off so the parents and cories don’t snack on them.  I am not an expert in goldfish fry, but @FishyMandy may have some advice for you.

 

How big is your tank? Are you having specific problems with the environment?

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For the goldie fry the foods you are feeding sound good, i like to do lots of small feedings throughout the day. I just judge by how big they look in the tank on when to upgrade them, I dont really have a set age or size.  For culling I only ever cull ones that have deformities that will cause them problems in adult hood like crooked spines. I check them over every day and  try to do it as soon as i notice it. Usually i use clove oil for this. Its definitely the worst part but any small problems will grow with the fish and get bigger :( for waterchanges as many water changes as you can do is what Id go for, if you can do every day, or even twice a day I find that gets the best results

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14 hours ago, Arctic Mama said:

Hi there!  Welcome to the group.

So you can and should use a heater with your goldfish, they’d be fine at 76-ish degrees which is more comfortable for your cories. You should definitely separate the fry off so the parents and cories don’t snack on them.  I am not an expert in goldfish fry, but @FishyMandy may have some advice for you.

 

How big is your tank? Are you having specific problems with the environment?

Ah, thank you! The adults are separate from the fry fortunately. They're currently in a 65L tank with cory fry (water is filled about halfway up the tank so it's not too deep) and I haven't had any specific problems yet. The only thing that could count as a problem is accidently feeding too much and it laying at the bottom of the tank so I've got to take it out. Other than that, everything seems to be going ok for now! 

 

1 hour ago, FishyMandy said:

For the goldie fry the foods you are feeding sound good, i like to do lots of small feedings throughout the day. I just judge by how big they look in the tank on when to upgrade them, I dont really have a set age or size.  For culling I only ever cull ones that have deformities that will cause them problems in adult hood like crooked spines. I check them over every day and  try to do it as soon as i notice it. Usually i use clove oil for this. Its definitely the worst part but any small problems will grow with the fish and get bigger :( for waterchanges as many water changes as you can do is what Id go for, if you can do every day, or even twice a day I find that gets the best results

Thank you so much for all the info - it definitely helps for someone that's new to the hobby! It looks like all the fry have made it so far and they're looking healthy so I must be doing something right XD

Right now I'm doing water changes every Monday and Thursday (around 25%) as I didn't want to agitate the water too much but, if it's better to do it every day, then I'll certainly do it as much as possible. 

Once they get older I'm planning on sticking them into my 300L tank (that was supposed to be for a tropical setup but plans changed once the fry came along) and I'm hoping to keep as many as possible! We currently have 3 that were from an earlier batch and they're just a week older than the others but you can certainly tell the difference between them. My sister has fallen in love with one of them and has already named him Tobi... here's hoping he makes it! 

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