Killifish
Current Scientific Name:
Rivulus uroflammeus siegfriedi
Common name(s):
Some Recorded Strains: no records
Breeding
Have you had any experience breeding this species? Why not fill in a species questionaire
1 other fishkeeper has successfully bred this species and left a report, results are sumarised below

Method:
Spawning Mops (100%)

Water Conditions:
Moderately soft and acidic (100%)

Temperature:
24-27°C (100%)

Read the full breeding report(s) for Rivulus uroflammeus siegfriedi


Links

Rivulus uroflammeus siegfriedi breeding reports

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

How to keep and breed Rivulus uroflammeus siegfriedi

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 Rivulus uroflammeus siegfriedi, 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 Rivulus uroflammeus siegfriedi 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 Rivulus uroflammeus siegfriedi?

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 Rivulus uroflammeus siegfriedi?

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 Rivulus uroflammeus siegfriedi to keep and breed?

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

How successful have you been at breeding Rivulus uroflammeus siegfriedi?

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

Very successful

Breeding Report: Rivulus uroflammeus siegfriedi
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Somewhat male heavy
Breeding difficulty: Difficult
Success: Very successful
Other Comments: EARLY EFFORTS WITH THIS FISH WERE NOT REWARDED. HOWEVER NEGLECT PAYED OFF. SHALLOW WATER AND WARM TEMPS PROVED CRITICAL IN THE PRODUCTION OF THIS FISH. 76F PH 6.8 DH4 330 MS CONDUCTIVTY. EGGS ARE 1.7 MM LAID ANYWHERE IN BOTTOM MOPS. NO REAL AGGRESSION WAS NOTED. THROUGH ME WELL DISTRIBUTED IN USA 88-91 SPECIES HAS SLIPPED AWAY AND IS VERY RARE TO NONEXISTENT IN AQUARIUMS. DESPITE SEVERAL IMPORTS OVER THE 1990'S
Breeding date: May 1991
Breeder: LEE VAN HYFTE, IOWA, USA (7 years experience with this species)
Date this record created: 31st May 2004

Average success

Breeding Report: Rivulus uroflammeus siegfriedi
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Skewed sex ratio
Sex ratio: Almost all males
Breeding difficulty: Average
Success: Average
Other Comments: I really liked this fish. Breeding was easy and it was a good fish. But when the temperatures rose eggs developed into ALL males!! When weather was cooler is was somewhat male heavy, but we still got females. At high temps there were just NO females..... not even one!
Breeder: Karma Farm, USA; CA desert (2 years experience with this species)
Date this record created: 9th January 2008

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