how old are your corys

All posts regarding the care and breeding of these catfishes from South America.
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flash
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how old are your corys

Post by flash »

Hi all
quick question .how old is your oldest cory
in the last 6 months i have lost 3 .all were over 5 years old .is this about right?
cheers flash
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Post by corywink »

I've got a pair of trilineatus that is close to 10 years old and still looking healthy. From my understanding most cories have a lifespan of 10-15 years.
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Post by Cory Lover 1 »

My oldest Cory is 1.5 years old. But thats the first one I got :)

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Post by RiC »

My oldest cories are 6+ (C. aeneus) and still breeding once a month :lol:
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Post by Coryman »

C. sterbai at 15 years and still producing good spawns.

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Post by NEONCORY »

Coryman wrote:C. sterbai at 15 years and still producing good spawns.

Ian
:shock: 15 years Coryman :!:

And I just got my group of C.Sterbais that grew up and start spawning since this March. They must be year and half at most 2 years old.
So possibly I could have them for another 13 years with good care?

Not to mention, now I have the 2nd generation frys that are week old to 3 months old.

I know the temperature play the longability of the fish. What temperature do you keep those 15 years old Sterbais? :?:
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Post by bronzefry »

The first Corydoras spp. I got were Corydoras aeneus and Corydoras paleatus. This was over 5 years ago. They are still breeding (touch wood). :D It's interesting to see how they change over the years. It's as if they're still growing.
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Post by Coryman »

I keep the C. sterbai at around 80º F

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Post by NEONCORY »

Coryman wrote:I keep the C. sterbai at around 80º F

Ian
I know the cold fish tend to live longer than tropical fish because of the metabolism and stuff.
And you said you keep your Sterbai at 80F and they are living for 15 years.

Can you imagine how long do they keep if you keep them at 32F or below. 100 years? Just need to watch the freeze burn though. :wink:

Seriously, is this mean the cooler water loving cory would potentially live longer than Sterbai which is one of the cory know as warmer water loving?
Anyway, it is just a thought.
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Post by pleco_breeder »

There is a difference in metabolism at different temperatures, but you also have to take into consideration that this rate is species specific at that temperature. For example, you have 2 species from different areas. We'll call them A and B. A is a cold water species which is normally found in 70 degree water. B is a tropical species normally found at 80 degrees. In their natural environments, the metabolism rate of both species will be reasonably similar with minor deviation. Most species metabolism rate doubles with a 7 degree increase in temperature. So, if you place species A in the same environment as B, metabolism will be over double and A will starve or be stressed at the very least. Either way, it's not going to do as well as B. You have to look at each species, and can't just say that they live longer in cooler water. If they're not biologically evolved for that environment, they're going to suffer.

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Post by apistomaster »

Coryman wrote:I keep the C. sterbai at around 80º F

Ian
I am glad you posted this, Ian. Corydoras sterbai are often recommended as good a Corydoras to keep with Discus at 84 to 86F and I get panned on a discus forum for recommending that they are better off if kept at 80F.
I think the smaller warm water speces of Plecos from genera Hypancistrus, Peckoltia and Panaque are better choices as catfish to keep with discus.
They eat the same foods and prefer the same temperature range.

I keep mine at 80F and give them a cool water change to stimulate spawning along with a diet rich in blackworms because they are easy to get in the USA but White and Grindal worms are easy to culture and work just as well as conditioning food for Corys along with other foods.

I have kept Corys alive seven years and then they were passed on to another aquarist. They have long life spans.

As Larry Vires pointed out keeping Corydoras at temperatures higher than their preferred range will result in a reduction of their life span.
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Old Corys

Post by hfjacinto »

I am nowhere near the hobbyist most of the people on this forum are, but I have 2 out of 5 original cories (c.Sterbai) when I set-up the fish tank 12 years ago. They have been through 2 house moves and an aquarium move. I even have a lone otto that has to be at least 4 years old and I thought otto's only lived for 2 years.

I have also gone from area of soft acidic water to an area of hard akaline water and the original cories are still ok although they never bred.
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Post by vernonlarge »

Here's a picture of the oldest Cory in my tank. He's about 10 years old now and the only surviving member of an original colony of 10.

I'm not even sure what type of Cory he is so any advice would be appreciated. Researching this site I assume it's either a leucomelas or schwartzi but could be wrong.

Apologies for the poor image quality.

Thanks in advance,
Vern

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Post by Sp00ky »

vernonlarge wrote:Here's a picture of the oldest Cory in my tank. He's about 10 years old now and the only surviving member of an original colony of 10.

I'm not even sure what type of Cory he is so any advice would be appreciated. Researching this site I assume it's either a leucomelas or schwartzi but could be wrong.

Apologies for the poor image quality.

Thanks in advance,
Vern

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Looks like C.loxozonus to me
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Post by dundermez »

I have two aneus and two delphax cories that are easily 13 or 14 years old. I have a robinae approaching 6 or 7. The temps in the tank very approxamately 72 degrees (farenheit(spelling)) in the winter and up to 85 degrees in the summer. The aneus cats still lay hundreds of eggs each winter (they have done this for the past 4 or 5 years).
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Post by Corylover »

I've had my C.schwartzi's for 6 months with two 8 year old catfish.
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