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cory question
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I've been looking at cory's and read there are 180 species. I've also read a post, on AC, that said you can't have 2-3 of a few different species and expect them to school. DANG! I'm working on a 90 gal. and would like to know how many cory's would be comfortable and thrive in this space? This is to allow me to figure how many more types of fish I can add at the other levels. Thanks.
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In a 90 gallon you could easily have 2 cory schools of 8 - 10 per school.
or if it's cory's you like, you could have 3 schools and cut back on your other stock.
check out http://www.aqadvisor.com/ to help you decide what fish and how many depending on your tank size and filtration. it's not the be all and end all but does provide a nice guide.
One other note - how are you cycling your tank? with fish or without? if cycling with fish, your bottom dwellers should not be added to the tank until after it's fully cycled as the bulk of the toxins settle at the bottom during the cycling process.
30 g FW planted:corys, female ABNP, blue angel, harleys, zebra danios, rummies,
15 g FW planted:2 male guppies, neons, pygmy corys, clown pleco, 4 types of shrimp, assassin snails
90 Gal Journal: http://bit.ly/1vC7gVX
fishless cycling: http://bit.ly/1DARf3T
fish in cycling: http://bit.ly/1ILvcfp
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+ 1 to FM on two schools of Cory. Your tank is certainly big enough to accomidate at least 20.
If your tank is cycled as she mentioned I would try to get something different like; Adolfo's catfish, (Corydoras adolfoi), False adolfoi cory (Corydoras duplicareus), or the Violet cory (Corydoras similis).
There are many species like you said but most dealers only carry a few.
Last edited by steeler58; 07-10-2013 at 12:41 AM.
Perfection is not attainable, but if we chase perfection we can catch excellence.
Once you learn to quit, it becomes a habit. -Vince Lombardi
“Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.” ― John Wooden
Sandy Hook Elementary......Lest We Forget
See my profile for my tanks and what fish I keep
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Or do one species in serious numbers. I can just imagine 40 pygmy cories in a group.
Oh, and cories really do prefer sand on the bottom.
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False Julii Cories (corydoras trilineatus) are my favourite. 10 or so of these + 10 of another nice type would look lovely. I also really like plain old Bronze Cories!
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 Originally Posted by talldutchie
Or do one species in serious numbers. I can just imagine 40 pygmy cories in a group.
Oh, and cories really do prefer sand on the bottom.
Yeah, I think I'm changing my mind and gonna go with sand instead of gravel
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much better choice, plus you typically can get sand cheaper too
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 Originally Posted by Amelia
False Julii Cories (corydoras trilineatus) are my favourite. 10 or so of these + 10 of another nice type would look lovely. I also really like plain old Bronze Cories!
I'm kinda looking at 3 types....The Sterba Cory (corydoras sterbai).the Gold and Green Cory (corydoras melanotaenia), and the corydoras virginiae because of it's bluish color (If they can be found )
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Sounds great!
Check out Quikrete Commercial Grade Medium Sand at Home Depot. $4.27 for a 50 lb bag. It's washed and doesn't have to be rinsed. It's a very light color, almost white sand - I have it in my 75 gal.
75 gal - Smudge Spot Cories, Silvertip & Pristella Tetras, Scissortail & Red Tail Rasboras, Pearl Gourami, Black Kuhli Loaches, Whiptail Cats, Wild Caught BNP
Dual 29 gals - Diamond Tetras. Harlequin Rasboras, Bloodfin Tetras
10 Gal - Mr. Betta's Fishy Paradise
"Life isn't about waiting for the storm to pass....it's about learning to dance in the rain"
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 Originally Posted by harrellmoney
I'm kinda looking at 3 types....The Sterba Cory (corydoras sterbai).the Gold and Green Cory (corydoras melanotaenia), and the corydoras virginiae because of it's bluish color (If they can be found )
Green and gold cory's are very hardy and like their water a little cooler. I like them more than the Bronze which they resemble. I too like the corydoras virginiae, just don't see them enough.
Perfection is not attainable, but if we chase perfection we can catch excellence.
Once you learn to quit, it becomes a habit. -Vince Lombardi
“Be more concerned with your character than your reputation, because your character is what you really are, while your reputation is merely what others think you are.” ― John Wooden
Sandy Hook Elementary......Lest We Forget
See my profile for my tanks and what fish I keep
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