Killifish
Rivulus magdalenae
Rivulus magdalenae
Rivulus magdalenae
Rivulus magdalenae
Rivulus magdalenae Female
Rivulus magdalenae Female
Current Scientific Name:
Rivulus magdalenae
Described: Eigenmann & Henn, 1916
Common name(s): Magdalena Rivulus
Distribution: Colombia

This Rivulus hails from the Rio Magdalena and Amazon basins of southern Colombia. Like most Rivulus, it prefers a darker tank with organic matter within which to hide.

Breeding Rivulus magdalenae

Have you had any experience breeding this species? Why not fill in a species questionaire
4 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 (75%)
Neutral (25%)

Temperature:
20-23°C (75%)
24-27°C (25%)

Read the full breeding report(s) for Rivulus magdalenae



Rivulus magdalenae Female
Rivulus magdalenae Female
Rivulus magdalenae Male
Rivulus magdalenae Male
Links

Rivulus magdalenae breeding reports

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

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 magdalenae, 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 magdalenae 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 magdalenae?

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 magdalenae?

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 magdalenae 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 magdalenae?

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

Very successful / fairly successful

Breeding Report: Rivulus magdalenae
Water conditions: Neutral, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Fairly successful
Breeder: Jan (DKG 640)
Date this record created: 10th June 2003
Breeding Report: Rivulus magdalenae
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Easy
Success: Fairly successful
Breeder: kho, Singapore (1 years experience with this species)
Date this record created: 7th October 2005
Breeding Report: Rivulus magdalenae
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Fairly successful
Breeder: J. Rijsdijk, Wageningen, Netherlands (1 years experience with this species)
Date this record created: 15th June 2007
Breeding Report: Rivulus magdalenae
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Very easy
Success: Fairly successful
Breeder: J. Rijsdijk, Wageningen, Netherlands (1 years experience with this species)
Date this record created: 15th June 2007

Average success

Breeding Report: Rivulus magdalenae
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Easy
Success: Average
Other Comments: Very good jumpers! Egg production seems to stop for a few weeks regularly. They prefer mature water, green water is when they have produced the most eggs.
Breeder: David Baker, Maidenhead, Berks
Date this record created: 7th July 2003
Breeding Report: Rivulus magdalenae
Water conditions: Neutral, 24-27oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Average
Breeder: Manchester (1 years experience with this species)
Date this record created: 5th March 2006

Unsuccessful

Breeding Report: Rivulus magdalenae
Water conditions: Neutral, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Easy
Success: Very unsuccessful
Breeder: Peter Macada, Slovakia (1 years experience with this species)
Date this record created: 10th December 2005