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Astronotus ocellatus
Oscar, Velvet cichlid
breeding notes

BREEDING: Eggs are typically laid on a cleaned surface. A piece of slate is ideal, though they will dig a pit in the gravel if not provided with a suitable substrate. The eggs are fanned by both parents, and the the young grow quickly; like their parents they can eat endlessly.

Have you bred Astronotus ocellatus? 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!

2 breeders have filled in breeding reports, a summary of the results are shown in the graphs below. You can read the full reports here.

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

Would Astronotus ocellatus 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 Astronotus ocellatus?
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 Astronotus ocellatus? 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 Astronotus ocellatus to keep and breed?
graph7
  1. Very easy
  2. Easy
  3. Average
  4. Difficult
  5. Very difficult

How sucessful have you been at breeding Astronotus ocellatus?
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 hard and alkaline Water temperature: 24-27oC
Disposition: Active, but not aggresive Community tank?: Only with species of similar size
Spawning Method: Adult fish removed from tankBreeding problems:
Poor egg survival
Sex ratio: Roughly equalBreeding difficulty: Easy
Sucess: AverageYears Experience: 5
Other Comments:
Date this record created: 22nd July 2009Breeding date: 2004
Breeder: Location:

Water conditions: Neutral Water temperature: 24-27oC
Disposition: Active, but not aggresive Community tank?: Doubtful, only with VERY calm fish
Spawning Method: Other (see below)Breeding problems: none
Sex ratio: Somewhat female heavyBreeding difficulty: Easy
Sucess: AverageYears Experience: 2
Other Comments:
Date this record created: 20th May 2008Breeding date: 2006
Breeder: ibrahim faizanLocation: maldives







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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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