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Will corydoras do well without plants or any other cover?

1583 Views 13 Replies 8 Participants Last post by  longgonedaddy
I've never kept cories before, but for a while I've been planning to do a 20 long for guppies with just play sand and no other plants or decorations. I thought cories would be a nice addition for the bottom, but obviously not if they won't be happy. I know most fish prefer some sort of cover, but how vital is it for cories? If they won't do well, is there any other bottom dweller that would work in that tank?
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I've never kept cories before, but for a while I've been planning to do a 20 long for guppies with just play sand and no other plants or decorations. I thought cories would be a nice addition for the bottom, but obviously not if they won't be happy. I know most fish prefer some sort of cover, but how vital is it for cories? If they won't do well, is there any other bottom dweller that would work in that tank?
They'll do just fine. I'd advise against play sand though as it tends to compact and it's just messy.
They'll do just fine. I'd advise against play sand though as it tends to compact and it's just messy.
Thanks for the advice. I was looking for something with a nice beige color and natural look, but I'll look into other options.
Thanks for the advice. I was looking for something with a nice beige color and natural look, but I'll look into other options.
Well you can look into the Super Naturals brand as they have some darker color sands. Black Diamond blasting sand is black and super cheap. Another option is pool filter sand which is white but will darken over time.
Check if amazon has some national geographic sand/substrate. It is te best stuff in the business. Petsmart also carries it sometimes.
I'd still add some plants, even if just a few floaters. They do extend the amount of time the water is habitable.

You can also add a few dead leaves to the bottom, this provides cover to hide under as well as other beneficial properties.
Check if amazon has some national geographic sand/substrate. It is te best stuff in the business. Petsmart also carries it sometimes.
I'd still add some plants, even if just a few floaters. They do extend the amount of time the water is habitable.

You can also add a few dead leaves to the bottom, this provides cover to hide under as well as other beneficial properties.
Sounds good. I was planning on pothos in the HOB like I have on my other tank.

Reason I was going for the bare sand is for a sort of minimalist aesthetic with emphasis on the fish, so any "clutter" would kind of ruin that. However, I'm thinking about a simple single-rock scape with maybe a little java moss. I think I could still maintain the minimalist look that way, but I'll have to see.
If you see how much they enjoy having a leaf or two, you wouldn't even think twice.
If you see how much they enjoy having a leaf or two, you wouldn't even think twice.


^This. I had no idea I was depriving them until I put an anubias plant in my tank and found them like this less than a day later.. it's still their favorite feature in my tank hands down.



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Thanks for the advice. I was looking for something with a nice beige color and natural look, but I'll look into other options.
Caribsea Super Naturals Sunset Gold sand is a nice color.
Yeah if you have the extra cash, caribsea supernaturals is good. I have the sunset gold and it looks great.
IME Corry's "need" cover. It makes a huge difference in their behavior and comfort. I'm sure they'll survive without it, but yeah, stress could lead to other issues, you know the deal.


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^This. I had no idea I was depriving them until I put an anubias plant in my tank and found them like this less than a day later.. it's still their favorite feature in my tank hands down.
IME Corry's "need" cover. It makes a huge difference in their behavior and comfort. I'm sure they'll survive without it, but yeah, stress could lead to other issues, you know the deal.
Thanks for all the input. I think I'll just skip the cories for this tank since I'm pretty set on the bare look. I think I got the cory "itch" now though, so I might just have to pick up two 20L's and start planning another planted tank for them.
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Something like hillstream loaches and lots of rocks may work.
Glad you decided to not keep cories in a bare tank. I keep a leaf litter tank, and my cories seem to really enjoy all the cover they have.
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