Help with Catfish identification
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Help with Catfish identification

This is a discussion on Help with Catfish identification within the Catfish forums, part of the Freshwater and Tropical Fish category; --> I'm usually over on the betta forum and I asked there but I thought likely this would be the place to ask. I bought ...

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Help with Catfish identification
Old 11-04-2009, 03:23 PM   #1
 
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Help with Catfish identification

I'm usually over on the betta forum and I asked there but I thought likely this would be the place to ask.
I bought three catfish from petco and they were listed as Brochis Splendens (Emerald Cory Catfish). Now that I've had them for a while I'm not so sure they were labeled properly. They seem much smaller then the Emeralds should be and they have brownish orange patches on their heads and white bellies. The Emeralds pics I've seen don't look like my guys. I went to get another and they still have them listed as Emeralds. The new one seemed much paler and much more green and lacked the brown spot on her head. Once I got her home she darkened up to the same shade as mine and now has a brown patch on her head. So do I have Bronze Corys instead? Also, their dorsal fins seem way shorter then the Brochis have in the pics I've seen. Here's a pic of my guys:
http://zrkqnq.blu.livefilestore.com/...B/100_1736.jpg
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Old 11-04-2009, 05:54 PM   #2
 
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they could be emeralds, the change might just be your water and lighting is better/worse.
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Old 11-04-2009, 06:30 PM   #3
 
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The big difference I notice is dorsal fin size but I can't find a definite answer on how many rays a Brochis Splendens has on his dorsal. I've been trying to count their dorsal fin rays but they're such FAST little guys.

Finally, I managed to stay still and so did they and I'm counting 8. And they wink at me like Corys are supposed to do. I'm so confused. I guess it doesn't matter terribly. They're so close looking it's hard to tell. The big difference I notice is dorsal fin size but I can't find a definite answer on how many rays a Brochis Splendens has. In most of the pics I see, the dorsal touches the caudal but on my guys there's a large gap between them. So confusing when they look so similar.
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Old 11-05-2009, 03:13 PM   #4
 
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Quote:
Originally Posted by vaygirl View Post
The big difference I notice is dorsal fin size but I can't find a definite answer on how many rays a Brochis Splendens has on his dorsal. I've been trying to count their dorsal fin rays but they're such FAST little guys.

Finally, I managed to stay still and so did they and I'm counting 8. And they wink at me like Corys are supposed to do. I'm so confused. I guess it doesn't matter terribly. They're so close looking it's hard to tell. The big difference I notice is dorsal fin size but I can't find a definite answer on how many rays a Brochis Splendens has. In most of the pics I see, the dorsal touches the caudal but on my guys there's a large gap between them. So confusing when they look so similar.
From your description and photo, I believe you have Corydoras aeneus. All the Corydoras and Aspidoras species have seven rays in the dorsal fin, while Brochis have more than 10 rays. Brochis splendens, the emerald brochis, has fewer rays than the other two Brochis species but still has 10 to 12 rays.

Byron.
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Old 11-05-2009, 03:42 PM   #5
 
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I got a possible indentification of corydoras venezuelanus over at planetcatfish.com. What do you think? Definitely not a brochis, like you said. I probably miscounted the rays. They're crazy active. Trying to get them to stay still is an exercise in futility! Thanks Byron! :D
Here's another pic of my guys:
Edit: I count 7 rays in the top guy, I think
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Old 11-05-2009, 04:59 PM   #6
 
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Not easy taking photos of fish, and not easy identifying them from photos. You have the fish in front of you so you're in a better position to assume from the descriptions. My thinking is probably not C. venezuelanus primarily because it is a much rarer fish than one is likely to find in stores like Petco, unless far different from the "chain" stores here; their identification as Brochis was certainly wrong, that is not in question.

C. venezuelanus is probably more likely to be found in direct imports to private dealers or specialist fish stores. But not a certainty by any means. Planet Catfish is a good site. I checked some of their photos of C. aeneus and they could be your fish. Anyway, still nice fish whatever they are.

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