What Corires Should I Get?
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What Corires Should I Get?

This is a discussion on What Corires Should I Get? within the Catfish forums, part of the Freshwater and Tropical Fish category; --> I am currently setting up a 10 gallon tank for cory catfish. I heard that I should be able to fit roughly 6 in ...

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What Corires Should I Get?
Old 08-22-2009, 01:43 AM   #1
 
What Corires Should I Get?

I am currently setting up a 10 gallon tank for cory catfish.
I heard that I should be able to fit roughly 6 in there comfortable. All i want is cory cats nothing else, if its possible/ wont stress the fish. I have already been recommended panda cories. Is there any other kinds that would work aswell?
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Old 08-22-2009, 04:21 PM   #2
 
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There are now (last time I read) more than 290 identified or discovered (unnamed) species of corydoras, so you have a lot of species to choose from.

Before you buy any, do some research on the particular species you find. Some can grow quite large (for a cory), 4 inches, while others remain around 2 inches [this has quite a different effect on the bioload, and especially important to remember with a smaller tank] and then there are the 4 or 5 dwarf species that max out at about 1 inch. They can all be housed together, so you can select a few different species. It is preferable to have probably 3 of any one species at a minimum. In your 10g with no other fish, 10-12 of the smaller species (those 2 inches and under) would work fine. Pandas are one of the 2-inch species, although in my experience they are fairly slow to reach that size.

The other consideration is temperature. Some species, like the panda, come from cooler mountain streams and do best with a temperature around 75 F (23 C), while others occur in slightly warmer streams (around 78-79 F, 25-26 C). These two may not seem much different, but to the fish there is quite a difference between 75 and 78 if it has a natural preference for one or the other. This won't be so important for you as you have no other fish in the tank, and can adjust the temperature to 76-77 which will suit all of them perfectly. But if you decided to have a small group of upper-level fish that prefer warmer temperatures, it is worth remembering that some corys do better long-term with less heat. Most corys, with some exceptions, do not tolerate high temperatures (80+ F) well at all, and may even die as a result.

Here's a link to quite a good free site on corydoras, PlanetCatfish • the online home of aquarium catfishes and there are several others. You'll find good care information on the individual species here.

You may already know what's next, but just in case...provide some bits of bogwood and plants. Corys love spending time browsing over every surface, and the plants and wood tend to collect food particles which is as natural for them in the aquarium as in nature. They also like to be able to "hide" sometimes, just to fee more secure. Keping these fish in tanks with no suitable hiding spots is very stressful for them, and can lead to disease and parasitic issues. They are also sensitive to water parameters and water quality; adverse conditions or fluctuating parameters will also bring on poor health. And they are particularly sensitive to any chemicals including almost all medications, so prevention rather than cure is very important with corydoras.

Byron.

Last edited by Byron; 08-22-2009 at 04:25 PM..
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Old 08-22-2009, 07:38 PM   #3
 
Thanks for your help!
If you don't mind I live in Langley B.C. and was wondering where you get most of your fish?
I was told to get them off of aqua bid but i hate paying S&H. and most of the sellers are located in the U.S.A. or over seas which means it would possibly be expensive.

Here is some cories which I was thinking to get. I still havent check out this other lfs and the so called "Fish World" in surrey.
(Also if these cories arent suitable for my tank please tell me!)

Skunk Cory


Panda Cory


Aggassizi Cory


Does anybody know any other kinds that I may have missseed that would be nice to keep?

Also sorry about the plants, live or fake? I have had bad luck keeping live plants but I am willing to learn and give it a try if it is better for my fish. What would you recommend?
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Old 08-22-2009, 09:20 PM   #4
 
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Any of those corries would work.
I have four of the skunk corries. They can be a little shy, spending most of the day in their caves.

Real plants are not necessary for cory, but are beneficial in nitrate removal.
I will leave all the plant care advice to byron, he is a lot more knowledgeable than I am.
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Old 08-22-2009, 09:37 PM   #5
 
okay i will wait for byron to reply.
i might get the agassizi ones because nobody has them, from what ive heard.
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Old 08-22-2009, 09:59 PM   #6
 
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I have some black fin corries. They look a lot like the agassizi cory.
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Old 08-23-2009, 09:36 AM   #7
 
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There are several species of corydoras usually available in different stores in the Vancouver area. I have a few stores that I regularly visit or keep in touch with, and I have never bought fish online, always locally.

I've been to Fishworld in Langley, back in June it was, they had a few species of cory then, worth checking out as you are in the vicinity. If you have transport, making a round of some of the stores in Vancouver/Burnaby can be fun. PM me if you like and I can tell you what's available at the present, there are some neat corys in a couple of stores. Prices can vary quite a bit from store to store, I've seen pandas (these are in a couple of stores now, and are fairly regular to find) anywhere from $6 to $13 so it pays to know the stores.

The three species you pictured would be fine in your 10g, up to 12 of them in total as I mentioned earlier. There are a number of different species with various spotted patterns; before you buy this or that, do a search of the species and find the ones you'd like (that link I gave previously has photos of each species and you can just go through them). Some of them will be near-impossible to track down, others are readily available from time to time.

On the plants, success depends upon having good light. If you have a fluorescent light fixture over your 10g, you're good; a full spectrum tube like Hagen's Life-Glo 2 or Zoo Med's Ultra Sun is perfect. This is the type of light I have on my aquaria, you can see them in the photos under "My Aquariums". Sword plants are good choices, coming from the Amazon where the corys live, and they grow well under this light. You will need liquid fertilizer, Seachem's Flourish Comprehensive Plant Supplement is about the best, and once a week a 1/4 tsp in your 10g would be adequate. As you're just across the new Golden Ears Bridge from me, if you like I could give you several plants to get you started. The light green leaved plant along the bottom in my aquaria is pygmy chain sword, and I am regularly tossing it out since it grows so well. This would be ideal for corys. I have about 8 or 9 species of swords, and 12 corydoras species at present, although you can't see the corys much in the photos.

Byron.
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Old 08-23-2009, 11:50 AM   #8
 
Thank you so much, I may just have to take you up one your offer. I will be going to fish world later but i want to do everything right and cycle my tank before i get them. My tank has play sand in it, would that be okay for planting? I will get the fertilizer you mentioned.
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Old 08-23-2009, 12:11 PM   #9
 
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Quote:
Originally Posted by Rohland View Post
Thank you so much, I may just have to take you up one your offer. I will be going to fish world later but i want to do everything right and cycle my tank before i get them. My tank has play sand in it, would that be okay for planting? I will get the fertilizer you mentioned.
Play sand (like from Home Depot) is fine, nice colour (very close to the Rio Negro), won't alter your water chemistry. Good for corydoras too. Have to be careful about it compacting, can explain that later.

I am a firm believer in cycling a tank with fish, and having plants in it first. It is better to have some live plants in the tank at the time, they absorb ammonium that they convert from ammonia and nitrite. For your 10g, once it is filled [use a good water conditioner] and running I would get 3 corys (all the same species, and one you want) and a small bottle of Seachem's "Stability" [I think Fishworld probably have Seachem's line of products, if not, Hagen's "Cycle" will work.] Seachem also makes the Flourish Comprehensive Plant Supplement, and a small bottle of that will do you. Add 2 capfuls of Stability just before you put the fish in; the Stability will add the first live bacteria. Stability says one capful for 10g on day one, then 1 capful for each 20g after that, but it doesn't hurt to overdose the first day. After a few days you'll be ready for more corys if you find some you want.

Using the plants and Stability will cycle your tank in one day. Last month I set up my 115g with 112 fish in two days, and a week later the 90g with 85 fish in one day. No problems.

Byron.
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Old 08-23-2009, 12:27 PM   #10
 
okay, well shouldnt the cories move some of the sand around so it doesnt compact? Also i think it would be neat to have some sort of grass-like plant growing in my tank... how do i stop those pockets of gasses from happening if there is a plant like that. like that chain sword plant... I will be sure to get some fish soon, and i will get the api test kit.
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