Killifish
Current Scientific Name:
Rivulus urophthalmus
Described: (Günther), 1866
Common name(s):
Some Recorded Strains:
Araguaína EB-04
SANTAREM, BR

Breeding Rivulus urophthalmus

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:
Spawning Mops (100%)

Water Conditions:
Moderately soft and acidic (100%)

Temperature:
20-23°C (50%)
24-27°C (50%)

Read the full breeding report(s) for Rivulus urophthalmus


Links

Rivulus urophthalmus breeding reports

Each record reproduced here represents one instance of breeding this species. Have you kept and bred Rivulus urophthalmus? 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 urophthalmus

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 urophthalmus, 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 urophthalmus 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 urophthalmus?

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+

How would you describe sex ratios when breeding Rivulus urophthalmus?

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 urophthalmus 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 urophthalmus?

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

Very successful / fairly successful

Breeding Report: Rivulus urophthalmus
Location code: Araguaína EB-04
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Very successful
Breeder: (4 years experience with this species)
Date this record created: 30th March 2007
Breeding Report: Rivulus urophthalmus
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Fairly successful
Other Comments: the eggs hatch before 16 to 18 days at 23 degrees. the youngs start to eat newly hatched artemia. and are easy to raise.
Breeder: vasconcelos, oporto-portugal (1 years experience with this species)
Date this record created: 29th November 2008

Average success

Breeding Report: Rivulus urophthalmus
Location code: SANTAREM, BR
Water conditions: Very soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg survival
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Average
Other Comments: FISH IS WELL SUITED TO NATURAL BREEDING EFFORTS AND WILL READILY LAY IN JAVA MOSS OR MOPS. VERY SOFT CLEAN WATER IS VERY IMPORTANT FOR OPTIMAL EGG PRODUCTION
Breeder: LEE VAN HYFTE, IOWA, USA (2 years experience with this species)
Date this record created: 31st May 2004