Killifish
Current Scientific Name:
Cubanichthys pengelleyi
Common name(s):
Some Recorded Strains:
Weber 82
Breeding
Have you had any experience breeding this species? Why not fill in a species questionaire
2 other fishkeepers have successfully bred this species and left reports, their results are sumarised below

Method:
Other (100%)

Water Conditions:
Moderately hard and alkaline (50%)
Moderately soft and acidic (50%)

Temperature:
24-27°C (50%)
28°C+ (50%)

Read the full breeding report(s) for Cubanichthys pengelleyi


Links

Cubanichthys pengelleyi breeding reports

Each record reproduced here represents one instance of breeding this species. Have you kept and bred Cubanichthys pengelleyi? Why not add a breeding report? If you had different results, or used different methods, please share your experiences

How to keep and breed Cubanichthys pengelleyi

This database consists of breeding reports provided by the world killifish community, along with some statistical analysis. Results provided by successful keepers are aggregated in the bar charts below, with more detailed reports below that. Like any block of data, the larger the more significant. Please contribute a report of your attempt to breed Cubanichthys pengelleyi, even if you have had a negative results. You may, of course, file more than one report, particularly if you change some condition, and had a different result.

breeders have filled in breeding reports, a summary of the results are shown in the graphs below.

Would Cubanichthys pengelleyi 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 Cubanichthys pengelleyi?

graph2
  1. Very timid
  2. Slightly timid
  3. Neutral
  4. Somewhat aggressive 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 Cubanichthys pengelleyi?

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 Cubanichthys pengelleyi to keep and breed?

graph7
  1. Very easy
  2. Easy
  3. Average
  4. Difficult
  5. Very difficult

How successful have you been at breeding Cubanichthys pengelleyi?

graph8
  1. Very unsuccessful
  2. Fairly unsuccessful
  3. Average
  4. Fairly successful
  5. Very successful

Very successful

Breeding Report: Cubanichthys pengelleyi
Location code: Weber 82
Water conditions: Moderately hard and alkaline, 24-27oC
Spawning Method: Other (see below)
Breeding problems: Deformities
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Very successful
Other Comments: Lays eggs in crevices.
Breeding date: April 2005
Breeder: Orlando Gonzalez, New York City, USA (1 years experience with this species)
Date this record created: 2nd May 2005
Breeding Report: Cubanichthys pengelleyi
Location code: Weber 82
Water conditions: Moderately soft and acidic, 28oC+
Spawning Method: Other (see below)
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Fairly successful
Other Comments: Cubanichthys pengelleyi is often described as being a difficult fish to maintain. In my experience this is completely dependant on the ability of the aquarist to maintain excellent water quality. If frequent water changes are performed this is not a difficult fish. It is not a fish to be neglected though. They absolutely must have good water quality in order to thrive. Cubanichthys pengelleyi inject their eggs into small crevices. I found that open cell filter foam made an excellent substrate for egg deposition. In my spawning of this species no effort was made to ascertain the length of incubation time. The fry are fairly large at the time of hatching and are perfectly capable of eating baby brine shrimp. They may also take powdered food as the adults will happily take flake and pellet foods. Fry were never seen in a tank containing adults so it can be assumed that the adults will eat their fry.
Breeding date: July 2000
Breeder: Chris Graseck, Rye NY (1 years experience with this species)
Date this record created: 23rd October 2003

Unsuccessful

Breeding Report: Cubanichthys pengelleyi
Water conditions: Moderately hard and alkaline, 20-23oC
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Very unsuccessful
Breeding date: March 1990
Breeder: (4 years experience with this species)
Date this record created: 7th March 2005

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