Killifish
Rivulus rectocaudatus DWTS 08/03
Rivulus rectocaudatus DWTS 08/03
Current Scientific Name:
Rivulus rectocaudatus
Described: Fels & de Rham, 1981
Common name(s):
Some Recorded Strains:
DWTS 08-03

Breeding Rivulus rectocaudatus

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 rectocaudatus


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Rivulus rectocaudatus breeding reports

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

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 rectocaudatus, 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.

Would Rivulus rectocaudatus 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 rectocaudatus?

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 rectocaudatus?

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 rectocaudatus 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 rectocaudatus?

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

Very successful / fairly successful

Breeding Report: Rivulus rectocaudatus
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg production
Sex ratio: Somewhat female heavy
Breeding difficulty: Difficult
Success: Fairly successful
Other Comments: These fish spawn better when confined to a small tank I bred them in the small crittur tanks 6"x8"and they produced 3 eggs per day for 10 days and then they were separated for a couple of weeks and then put together again The eggs took about 3 weeks to eye up and they go jet black the fry seem to have difficulty getting out of the egg casing and a few died I found the best way was to put an airstone in with them an then they seemed to have no trouble in hatching The largest fry tend to eat the small ones so they have to be moved on until they have all grown past the easy meal stage
Breeder: jack 614, yorkshire (1 years experience with this species)
Date this record created: 10th March 2004

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