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 Two Hardy Corydoras

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ddavis1979
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PostSubject: Two Hardy Corydoras   Mon May 19, 2014 8:44 pm

These two cory cats have survived quite a bit and are looking good.

They have been through 4 tanks transfers that I know of:
1. Pet store to my 55 gallon
2. 55 gallon to my work 20 long
3. 20 long back to my home 55
4. 55 back into the 20 long (no heater back at home)

Despite all that, they are pretty big, around 3" and look pretty good!




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JohnnyAMH
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PostSubject: Re: Two Hardy Corydoras   Tue May 20, 2014 10:59 am

Nice pair of tough guys...  good one!

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PostSubject: Re: Two Hardy Corydoras   Sat Jul 05, 2014 7:40 pm

I have never had a "fancy fin" cory before, but the cory shown in that top picture has just about doubled the length of the crest on his dorsal fin and there are similar very long extensions on the pectoral fins as well. Anyone heard of this?

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55 Gallon Freshwater Community Tank (semi-planted) 48"x21"x13"
20 Gallon Long Freshwater Community Tank (semi-planted) 30"x12"x13"


Watch my updated aquarium video!
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Deb
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PostSubject: Re: Two Hardy Corydoras   Sun Jul 06, 2014 9:34 am

Have the fins been growing slowly all along, beyond where they were when you first got the fish?  

Cory paleatus was first discovered by Charles Darwin on his famous Beagle voyage.  Wild specimens had impressive extended dorsal finnage, occurring naturally.  When the fish came into the hobby, careless commercial breeding soon eliminated the impressive high dorsal.  Subsequent fish were born with "normal" dorsal fins.  

Later, some in the hobby wanted to bring back the high dorsal, so concentrated breeding efforts began.  In recent years we've seen "high-fin" paleatus sold in the shops as if it were something new but, in fact, it is simply a return to their natural look.  

Still, the hobby-bred high-fins do not even come close to the majesty of the wild paleatus, with their high and straight dorsal fins, like a the mast of a windjammer!  

Your fish are nice, though, Very Happy  and very hardy.

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ddavis1979
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PostSubject: Re: Two Hardy Corydoras   Sat Jul 12, 2014 8:53 pm

i will try to get some more pictures soon. The fish did not show any signs of being a "high-fin" until it was recently homed in this tank. Now the fins are growing add a very impressive rate. I put them in on March 23rd, and the top picture in this thread is May 19th, so almost 2 months, and when I post the next pic, you will be able to see the growth rate I am talking about.

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55 Gallon Freshwater Community Tank (semi-planted) 48"x21"x13"
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brambleforest
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PostSubject: Re: Two Hardy Corydoras   Thu Jul 17, 2014 1:04 pm

Maybe so. I recently got some peppered cory cats, one of which had longer fins too... there's a look alike species with long fins (Corydoras longipinnis) and I wonder if they get mixed up in the trade sometimes? Maybe by store owners who are only familiar with the one kind.
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