Killifish
Current Scientific Name:
Rivulus peruanus
Described: (Regan), 1903
Common name(s):
Some Recorded Strains:
Rio Itaya CI-02

Breeding Rivulus peruanus

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Rivulus peruanus breeding reports

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

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 peruanus, 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.

breeder has filled in a breeding report, a summary of which is shown in the graphs below.

Average success

Breeding Report: Rivulus peruanus
Location code: Rio Itaya CI-02
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg survival
Sex ratio: Almost all females
Breeding difficulty: Difficult
Success: Average
Other Comments: Fish likes clean water for any egg production. Warm very shallow > 2inches. Often eggs are layed out of water. Very large 2.5 mm eggs. Sexation very slow often near impossible even as breeding young adults. Candling from behind has resulted in the best method of sexation with ovum appearing in the bellies of females. Males tend to have slightly different pattern in the fins. Males can be quite territorial and aggressive.
Breeder: Lee Van Hyfte, Iowa, USA (2 years experience with this species)
Date this record created: 31st May 2004