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Corydoras aeneus
Bronze corycat, Gold striped cory
breeding notes

BREEDING: Breeding is triggered by the start of the rainy season in the wild; a situation easily replicated in captivity by a large water change of slightly cooler water. Eggs are typically laid on stones, plants, and often the aquarium glass.

Have you bred Corydoras aeneus? Why not fill in a breeding questionaire?


This page summarises breeding reports provided by visitors to this site, along with some statistical analysis. Please feel free to contribute - whatever your experience!

1 breeder has filled in a breeding report, a summary of which is shown in the graphs below. You can read the full reports here.

To add details of your experiences of Corydoras aeneus, why not fill in a Breeding and maintenance Report.

Would Corydoras aeneus be a good addition to a community tank?
graph1
  1. Never
  2. Doubtful, only with VERY calm fish
  3. Only with species of similar size
  4. Yes, a good community fish

How would you describe the disposition of Corydoras aeneus?
graph2
  1. Very timid
  2. Slightly timid
  3. Neutral
  4. Somewhat aggresive on occasions
  5. Very aggressive

In which water conditions do you keep these fish?
graph3
  1. Very soft and acidic
  2. Moderately soft and acidic
  3. Neutral
  4. Moderately hard and alkaline
  5. Very hard and alkaline

At what average temperature?
graph4
  1. 10-15°C
  2. 16-19°C
  3. 20-23°C
  4. 24-27°C
  5. 28°C+

What, if any is the biggest difficulty encountered when breeding these fish?
graph5
  1. Poor egg production
  2. Poor egg survival
  3. Poor fry survival rate
  4. Deformities
  5. Skewed sex ratio

How would you describe sex ratios when breeding Corydoras aeneus? If you are unsure please leave this question unanswered.
graph6
  1. Almost all males
  2. Somewhat male heavy
  3. Roughly equal
  4. Somewhat female heavy
  5. Almost all females

In general, how difficult is Corydoras aeneus to keep and breed?
graph7
  1. Very easy
  2. Easy
  3. Average
  4. Difficult
  5. Very difficult

How sucessful have you been at breeding Corydoras aeneus?
graph8
  1. Very unsucessful
  2. Fairly unsucessful
  3. Average
  4. Fairly sucessful
  5. Very sucessful


Remember, each record represents only one persons experience; if you had different results, or used different methods, please share your experiences


Water conditions: Moderately soft and acidic Water temperature: 20-23oC
Disposition: Active, but not aggresive Community tank?: Yes, a good community fish
Spawning Method: Other (see below)Breeding problems:
Poor egg survival
Sex ratio: Roughly equalBreeding difficulty: Easy
Sucess: AverageYears Experience: 5
Other Comments: when you the males harassing the females do a partial water change and fill it with cooler water until the temperature is lowered from 72F to about 70F then start feeding them more often(small snacks throughout the day) of live or frozen bloodworms and catfish pellets. also remember to remove all the tankmates. my blue gourami and the corys ate the ones I didnt scrape off of the tank glass-and you have to be careful when you do that!
Date this record created: 6th May 2009Breeding date: 2006
Breeder: HenryLocation: Sacramento, CA







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Fishkeeping Facts and Tips

What fish are good community fish? There is no absolute answer to this, but in general a community tank should contain only species that will tolerate each others behaviour, are approximately the same size, eat the same foods, and accept the same water conditions. Hardy tank bred fish that have adapted somewhat to local water conditions, and have no special dietary requirements usually make good candidates


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