Current Scientific Name:
Described: Costa, 1991
Some Recorded Strains:
Rivulus janeiroensis breeding reports
Each record reproduced here represents one instance of breeding this species. Have you kept and bred Rivulus janeiroensis? 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 janeiroensis
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 janeiroensis, 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 janeiroensis be a good addition to a community tank?
- Doubtful, only with VERY calm fish
- Only with species of similar size
- Yes, a good community fish
How would you describe the disposition of Rivulus janeiroensis?
- Very timid
- Slightly timid
- Somewhat aggressive on occasions
- Very aggressive
In which water conditions do you keep these fish?
- Very soft and acidic
- Moderately soft and acidic
- Moderately hard and alkaline
- Very hard and alkaline
At what average temperature?
How would you describe sex ratios when breeding Rivulus janeiroensis?
- Almost all males
- Somewhat male heavy
- Roughly equal
- Somewhat female heavy
- Almost all females
In general, how difficult is Rivulus janeiroensis to keep and breed?
- Very easy
- Very difficult
How successful have you been at breeding Rivulus janeiroensis?
- Very unsuccessful
- Fairly unsuccessful
- Fairly successful
- Very successful
Very successful / fairly successful
Breeding Report: Rivulus janeiroensis
Location code: Magé
Water conditions: Very soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Almost all females
Breeding difficulty: Easy
Success: Fairly successful
Breeder: (3 years experience with this species)
Date this record created: 30th March 2007
Breeding Report: Rivulus janeiroensis
Water conditions: Very soft and acidic, 24-27oC
Success: Very unsuccessful
Other Comments: We found this species together with Kriptolebias brasiliensis in a rain pool shadowed by rainforest, in a region called Tingua, state of Rio de Janeiro, Brazil, and we measured at 7h30min in the morning the following parameters in the water :
temperature 26? Celsius, pH 5,5.
Breeder: Jose Carlos C. Motta, Nova Igua?u ?- RJ - Brazil (1 years experience with this species)
Date this record created: 14th May 2005
killifish for sale
MUENG, SAMUTPRAKARN, TH
Untitled Document Please Read Before Buy. Buyer Please Understand This is Bio-Product. The Hatching Rate not 100% Hatching Rate is 20 - 60% The Hatch Rate Depend on Environment and Several Factors. The Business of My Farm Actually engages the killifish, which are purchased as whole sale and retail for local markets and export. Our farm is located nearly Bangkok in Thailand and an area of approximately 15,000 sqm. Fulled with modern equipment for hatchery and quarantine system which running by ... more
LA MESA, CALIFORNIA, 91942, USA
Aphanius mento, also known as Iridescent Killifish. Offer is for 2 males and 2 females. Shipping is FREE. Very easy to keep, and requires no care in ponds. Very hardy. Cold-tolerant and will live under ice if the water doesn't freeze over. They don't mind heat either. They do fine in water up to 95f or more. They will breed easily and lay their eggs in aquatic plants or algae. The fry of these fish don't really require care. Some of the young will survive, and populate your pond. They are ... more