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Poecilia sphenops
Molly, Short-Finned Molly, Black Molly, Liberty Molly
breeding notes

BREEDING: Mollies, like other widely available livebearers, are very easily bred, with tens or hundreds of fry produced every few weeks. Adults will eat fry, and although some will always survive, adults (or fry) can be removed to increase survival rates.

Have you bred Poecilia sphenops? 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 Poecilia sphenops, why not fill in a Breeding and maintenance Report.

Would Poecilia sphenops 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 Poecilia sphenops?
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

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

How sucessful have you been at breeding Poecilia sphenops?
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: Somewhat aggresive on occasions Community tank?: Yes, a good community fish
Spawning Method: Long term (fry appear with adults)Breeding problems:
Poor fry survival rate
Sex ratio: Breeding difficulty: Easy
Sucess: Fairly sucessfulYears Experience: 5
Other Comments: We have a pair in our community tank - fry appear with some regularity, but quite a few disappear - maybe eaten by other fish? Not a big problem, I guess the toughest/fastest survive!
Date this record created: 1st May 2016Breeding date: 2016
Breeder: Location: Lancashire, UK







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Fishkeeping Facts and Tips

Low light plants Java moss, Java fern, and several of the Anubias species all do fine in low-light conditions. That is not to say that they do not thrive with stronger lighting, but in an aquarium with a lot of floating plants, or one with timid fish that prefer a dimmer tank, these plants are very useful indeed. All are epiphytes; that is to say they need not be planted, and can be attached to stones, bogwood or just left free floating


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