what kind of cory is this? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 11 Old 05-22-2011, 09:44 PM Thread Starter
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what kind of cory is this?

I've had these fella's for about eight months now. I own a pair of them and they are doing great, always swimming about together and very lively. So no issues there. However at the pet shop I got them from they told me they were Emerald Corys/Catfish. So I always thought that was what I owned, however I recently saw a pic of a Bronze Cory and realized it looked exactly like my two corys. So I was wondering if anyone here could tell me what I actually own from these pics I managed to get of them:



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post #2 of 11 Old 05-22-2011, 11:29 PM
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I'd go with either bronze or emerald cory. But leaning more towards bronze.
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post #3 of 11 Old 05-23-2011, 12:36 AM
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That is indeed Corydoras Aeneus (a.k.a. Bronze cory).

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post #4 of 11 Old 05-23-2011, 12:43 AM
I think is a emerald cory!!!!!!!

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post #5 of 11 Old 05-23-2011, 12:25 PM
Emerald Catfish is described well under the Tropical Fish Profiles. You may be able to find out by comparing the descriptions for the bronze cory and the emerald catfish in the profiles.

They are nice looking fish.
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post #6 of 11 Old 05-23-2011, 12:47 PM
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Emerald cory. Note the high dorsal fin.
They do look a lot alike though.

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post #7 of 11 Old 05-23-2011, 02:31 PM
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This confusion is widespread. All due to using common names. Both fish appear under both common names here and there. But as noted in the respective profiles, they are different.

Byron Hosking, BMus, MA
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The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #8 of 11 Old 05-23-2011, 11:24 PM
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Judging by the dorsal fin I still think it's C. Aeneus. The dorsal on the Brochis has 10-12 rays while corydoras has 6-8.

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post #9 of 11 Old 05-24-2011, 12:22 AM Thread Starter
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thanks for the help guys. I re-read both fish profiles and I am leaning towards Bronze now. I did my best to count the rays on the dorsal fin, both seem to be 7 or 8 which would make them Bronze Corys instead of Emerald Catfish, which is what I thought I owned.
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post #10 of 11 Old 05-24-2011, 10:31 AM
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My previous post only mentioned the confusion. Guess I should have said that jeaninel is correct, this is without question Corydoras anaeus. All Corydoras species and all Brochis species are very distinctive with respect to the dorsal fin, you cannot possibly confuse them. The body pattern/colouring is near-identical which is what many look at, but it is the dorsal that distinguishes them. The Brochis dorsal extends farther along the dorsal ridge almost to the adipose fin, but on Corydoras it is much smaller in length along the ridge.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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