Corydoras For 20 Gallon Long

I have a 20 gallon long with an Aquaclear 50, temp 77F, ph around 6.8 and slightly hard water. I have 5 pangio semicincta (kuhlI loaches) and 9 pangio cuneovirgata (dwarf kuhli, max size 1.5").

I was planning on having this tank be only for kuhlI loaches but i've fallen in love with the little corydoras, I think them and the kuhlis would go well together. I've tried to do a mix between a South East Asian/South American biotope so it has fine sand, round pebbles, branches, catappa leaf litter and lots of plants (still need to get more).

I am looking for suggestions on what species of cory cat would like this tank setup and how many I should get.

Thank you!
 
I have a 20 long as well. I'm planning on pygmy cories. They only get about an inch long. Very very active.
 
That would be a lot of bottom schoolers, but if I was to add any corydoras, I'd add pygmies as they will school in the middle of the tank too.
 
I have a feeling you may be overstocked, so I would not add anymore fish.

What makes you think i'm overstocked? I'd genuinely like to know since kuhlI loaches have a very low bioload and my cuneovirgata are super tiny.

That would be a lot of bottom schoolers, but if I was to add any corydoras, I'd add pygmies as they will school in the middle of the tank too.

True, but even in this 20 long my kuhlis only inhabit half the tank and throughout the day I don't see them at all. I was definitely aiming towards middle schoolers but wanted opinions first.
 
Actually, nevermind, what I meant is that your fish may not have much room because most of them are bottom dwellers. Sorry.

It's alright. If only others could see my tank and the activity thoughout the day. 5 normal sized kuhlis IMO barely take up any room.. let alone the cuneovirgata.
 

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I'd reccomend the pygmeus cory cat then. They are absolutely tiny and cute, harmless, and swim from bottom to the middle, occasionally on the top for a gulp of air. Do you want schooling fish or just the bottom dwellers?
 
I'd reccomend the pygmeus cory cat then. They are absolutely tiny and cute, harmless, and swim from bottom to the middle, occasionally on the top for a gulp of air. Do you want schooling fish or just the bottom dwellers?

I'm just looking for fish with a lot of personality like my kuhlis. I love them to death and they are hilarious in the evenings but I don't see them much throughout the day. I figured corydoras were similar but are not nocturnal. I'm not a fan of tiny schooling fish such as tetras, rasboras, etc.
 
I'm just looking for fish with a lot of personality like my kuhlis. I love them to death and they are hilarious in the evenings but I don't see them much throughout the day. I figured corydoras were similar but are not nocturnal. I'm not a fan of tiny schooling fish such as tetras, rasboras, etc.
Pygmy corys have tons of personality. I love mine (C. pygmaeus) and wouldn't trade them for anything.
 
You should not have that many bottom dwellers in a 20 gallon long. Pygmy cories would be your best bet since they swim in the middle of the tank. And if you don't like schooling fish, there's plenty of other options (livebearers, gouramis, ect.) that would be better options than cories.
 
I had 9 kuhlis (6 P. Oblonga, 3 P. Kuhlii) with 6 peppered cories in a 20 gallon long w/o any issues. I finally got 3 more P. Kuhliis so I moved the 6 cories into my 40 gallon and added 6 more (12 total). My tank is heavily planted and running a Fluval 206 canister.
 
I had 9 kuhlis (6 P. Oblonga, 3 P. Kuhlii) with 6 peppered cories in a 20 gallon long w/o any issues. I finally got 3 more P. Kuhliis so I moved the 6 cories into my 40 gallon and added 6 more (12 total). My tank is heavily planted and running a Fluval 206 canister.

Interesting. Are you talking about C. paleatus? They're cute.
 
Interesting. Are you talking about C. paleatus? They're cute.
Yep. The 6 I had in the 20 gallon were on the larger side at just under 2". The 6 I added were smaller at 1.5". They all started shoaling when they were introduced into the 40g.
 
I got a hold of my store and right now they only have albino cories + salt and pepper cories (assuming they're corydoras habrosus). Do habrosus swim in the middle or is that only the pygmies?
 
I got a hold of my store and right now they only have albino cories + salt and pepper cories (assuming they're corydoras habrosus). Do habrosus swim in the middle or is that only the pygmies?

Habrosus corys will swim in the middle of the water column, just not as much as pygmaeus does. From what I've seen and experienced though pygmaeus are also a lot more shy than habrosus corys. Habrosus are also slightly larger but the size difference isn't that much. Overall I like the personality of habrosus a lot more if you're keeping 6-12 of them (12 is more ideal). Pygmaeus though have a more personality and are more intruiging when they are kept in schools bigger than 12.
 
From what I've seen and experienced though pygmaeus are also a lot more shy than habrosus corys.
I can't comment on habrosus behavior but pygmaeus tend to be shy if they share a tank with boisterous tank mates.
Since I keep them with C. paleatus and H. amandae (Ember Tetra) they are all over the tank and in the open. They even join the Ember shoal on occasions.
 
I can't comment on habrosus behavior but pygmaeus tend to be shy if they share a tank with boisterous tank mates.
Since I keep them with C. paleatus and H. amandae (Ember Tetra) they are all over the tank and in the open. They even join the Ember shoal on occasions.

My pygmaeus school have a tank all to themselves minus a colony of orange sakura neos and some amanos, plus there's lots of plants sine it's my high tech set up. The tank is in my bedroom, on the opposite wall of the door as well. They're fine and out and about until I come within 1-3 ft of the tank. If I am that close most of them retreat into the plant cover. It could just be that mine are shy and skittish, though my habrosus did seem to be more outgoing.
 
Personally, if it were me, I'd just get more kuhlis. It sounds like you really enjoy them, and from what I've heard the more the merrier in terms of activity.
 
My pygmaeus school have a tank all to themselves minus a colony of orange sakura neos and some amanos, plus there's lots of plants sine it's my high tech set up. The tank is in my bedroom, on the opposite wall of the door as well. They're fine and out and about until I come within 1-3 ft of the tank. If I am that close most of them retreat into the plant cover. It could just be that mine are shy and skittish, though my habrosus did seem to be more outgoing.
Weird, mine are unfazed when I approach the tank unless I do some hectic movements or open the door of the stand etc. Good example that there is no general rule for particular fish behavior.
 
Weird, mine are unfazed when I approach the tank unless I do some hectic movements or open the door of the stand etc. Good example that there is no general rule for particular fish behavior.

Yeah, after a few mins though, they usually come back out and act as they normally behave. I agree though, fish behavior can vary by a lot for the same species, just best to do research and find what the general consensus is.
 
Personally, if it were me, I'd just get more kuhlis. It sounds like you really enjoy them, and from what I've heard the more the merrier in terms of activity.

It's funny you ended up mentioning that. I've been debating in my head all day if I should get cories or more kuhlis. I would really like to have someone that's moving around during the day but then again I don't know how the kuhlis will act with more buddies - maybe they'll come out more throughout the day, I don't know.
 
It's funny you ended up mentioning that. I've been debating in my head all day if I should get cories or more kuhlis. I would really like to have someone that's moving around during the day but then again I don't know how the kuhlis will act with more buddies - maybe they'll come out more throughout the day, I don't know.
I guess it's a possibility. I've never kept kuhlis. I would really like to one day, so I have looked into them somewhat. Pretty much EVERYONE says the more you have, the more fun they are. As far as activity on the cory side, some of those are more active than others. My pandas have nice spurts of activity. I've heard some people say sterbais are more active. I hope to find out soon because I'll be moving the pandas to another tank for a more ideal temp, and replacing them with sterbais.
 
I have 6 P. Oblongas (black kuhlis) and 6 P. Kuhliis (banded kuhlis). Most say that P. Oblongas are more outgoing but mine are the opposite. I see most of my P. Kuhliis running around during the day and the P. Oblongas come out at night and during feedings. I have a piece of malaysian drift wood that some have dug under for cover and a piece of mopanI driftwood that's hollow under that I just put in the tank and they took to the cave almost immediately. I also have swords and anubias that overhang most of the tank so there's lots of cover for them.

I have 8 bronze cories in my 75 gallon and 12 peppered cories in my 40g. They both have spurts of energy and swim around and other times, they just rest at the bottom. They're both really active when it's feeding time.
 
I have 6 P. Oblongas (black kuhlis) and 6 P. Kuhliis (banded kuhlis). Most say that P. Oblongas are more outgoing but mine are the opposite. I see most of my P. Kuhliis running around during the day and the P. Oblongas come out at night and during feedings. I have a piece of malaysian drift wood that some have dug under for cover and a piece of mopanI driftwood that's hollow under that I just put in the tank and they took to the cave almost immediately. I also have swords and anubias that overhang most of the tank so there's lots of cover for them.

I have 8 bronze cories in my 75 gallon and 12 peppered cories in my 40g. They both have spurts of energy and swim around and other times, they just rest at the bottom. They're both really active when it's feeding time.

This is my tank currently. Terribly dark picture but there's too many reflections in the day to take photos. I'm trying to imagine what my current kuhlI kolony would act like with 6-7 more buddies or the 6 cories. They're both too cute.

31602865_10156147499440631_221836314968850432_o.jpg
 
I didn't get the cories. They had panda, peppered cories and sterbaI cories in their own tanks.

In the peppered cory tank one of them had a white growth on its fin (not ich) so I didn't want to get anything from that tank. The panda and sterbaI looked fine but I got nervous and decided to go for the kuhlis.

I got the last big ones.. I've been cleaning them out since December. I got 2 P. Semicincta, 1 P. Cuneovirgata, and the only P. Oblonga that's been there for months. I got a horned and red onion nerite too, lol.

The sterbais looked really healthy but I didn't get them because I read a couple times that they were more sensitive than other cories. Any truth to this?

I'm still going to get more fish but not sure what I should get now.
 
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DCJ

Can confirm, habrosus spend more time on the substrate like 'typical' cories than pygmaeus and hastaus do, so I wouldn't have them with khuli's unless there was a lot of floor space in the tank, and even then.

Ravynn are you thinking about more midwater fish? Lampeyes are pretty unusual and fun to watch, just throwing that out there Not that I'm biased or anything...
 
Can confirm, habrosus spend more time on the substrate like 'typical' cories than pygmaeus and hastaus do, so I wouldn't have them with khuli's unless there was a lot of floor space in the tank, and even then.

Ravynn are you thinking about more midwater fish? Lampeyes are pretty unusual and fun to watch, just throwing that out there Not that I'm biased or anything...

I didn't end up getting the cories and good thing I didn't because I don't think I would've liked that long term, it definitely would've been too busy. I got a baby BN pleco and I'm done adding fish. I might get some neocaridina shrimp in a couple months but I'm pretty content with my fish stocking.
 

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