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Help with Emerald Green Cory Catfish

This is a discussion on Help with Emerald Green Cory Catfish within the Catfish forums, part of the Freshwater and Tropical Fish category; --> Originally Posted by Sylverclaws @jaysee there are two types of "Emerald" cories, one stays around 2 1/2-3 1/2 inches, the other can actually get ...

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Help with Emerald Green Cory Catfish
Old 02-07-2014, 08:47 PM   #11
 
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Originally Posted by Sylverclaws View Post
@jaysee there are two types of "Emerald" cories, one stays around 2 1/2-3 1/2 inches, the other can actually get 4-6 inches. Six inches I hear is EXTREMELY rare even for the big guys, however I had one of four that did. lol I ended up getting a mix on accident once, I wondered how I got these behemoths with my little guys, they look almost identical except the bigger ones are usually darker in color, and bigger obviously...and the smaller type(I can't remember the scientific names) are usually a shiny green(though not always, but this is how I told the youngsters apart, the larger ones also tend to have bigger heads and slightly different noses than the smaller types).
They are easily differentiated at any age by the dorsal fin. The brochiis splendins which are the "emerald cory" (only one kind) have 13 dorsal rays - their dorsal fin extends almost all the way to the adipose fin. Corydoras anaeus, the broze cory (can be mislabeled as emerald, but that's an error not a different kind), as well as other corys, have only 7 dorsal rays (half the size). There is a large gap between the dorsal and adipose fins.
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Old 02-07-2014, 09:28 PM   #12
 
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yeah that's what I meant . Theyre two different species. But people often mistake the brochis for cories.
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Old 02-08-2014, 11:39 AM   #13
 
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I knew they were a different species. lol And yes, the petshops often mislabel them, poor things(poor customers, they often get things far larger than they think because of the idiots).
However, the "Corydoras Aenus" also the "Emerald Corydora" is indeed a corydora, all of which are types of catfish. o_o; I assume this person has the smaller Emerald Corydora Aenus and not the Brochis Splendens or he would not have gotten it for the 2.5 gallon tank.
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Old 02-08-2014, 11:45 AM   #14
 
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Help with Emerald Green Cory Catfish

Brochis splendens and corydoras anaeus are both sold small enough for someone to think about putting one in a 2.5 gallon. The only reliable way to tell the difference is by the dorsal fin.

The "emerald" you're attaching to corydoras anaeus is part of the problem with the confusion.
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Old 02-08-2014, 11:46 AM   #15
 
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I've never seen them sold under the 1 1/2 inch mark. And they never hold still long enough. However, I see what you mean about the dorsals, I noticed that too after I got them. They had a different head shape too...However, people new to the hobby may not know this. As you know, so many refuse to do proper research before buying. And also...even if you do, which I did, I was tricked since they called them "Emeralds" and didn't know how to tell the difference at the time and I ended up with four Splendens instead. lol I had them in a twenty gallon and once they started growing too big I found them new homes. x.x I didn't think that was a good match...

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Old 02-08-2014, 11:48 AM   #16
 
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I have - I've bought them that small. I've also seen big ones for sale and agree no one would consider putting one in a 2.5
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Old 02-13-2014, 03:18 PM   #17
 
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Completely off-topic, but I just want to mention that it's against PetSmart policy to take in fish to adopt.
No clue about Petco, but you'd have much better luck with a LFS instead of a corporate store.
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Old 02-13-2014, 03:24 PM   #18
 
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Completely off-topic, but I just want to mention that it's against PetSmart policy to take in fish to adopt.
No clue about Petco, but you'd have much better luck with a LFS instead of a corporate store.
That's true indeed. But some Petsmarts will, though not all(I believe it is a Petco policy to not take in live fish anymore...haven't found any who would anyways). The Petsmart I go to has a place for youngsters. We only have two LFSs that I can find within 30 miles that will take in live fish, or buy them from you. x.x Hard to find!
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