Killifish
Rivulus rubrolineatus male
Rivulus rubrolineatus male
Rivulus rubrolineatus female
Rivulus rubrolineatus female
Rivulus rubrolineatus
Rivulus rubrolineatus
Current Scientific Name:
Rivulus rubrolineatus
Common name(s):
Some Recorded Strains:
El-Varillal
wild from the river itaya peru
Breeding
Have you had any experience breeding this species? Why not fill in a species questionaire
3 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 (67%)
Neutral (33%)

Temperature:
20-23°C (67%)
24-27°C (33%)

Read the full breeding report(s) for Rivulus rubrolineatus



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Rivulus rubrolineatus breeding reports

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

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 rubrolineatus, 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 rubrolineatus 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 rubrolineatus?

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 rubrolineatus?

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 rubrolineatus 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 rubrolineatus?

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

Very successful

Breeding Report: Rivulus rubrolineatus
Water conditions: Neutral, 20-23oC
Spawning Method: Spawning Mops
Breeding problems: Skewed sex ratio
Sex ratio: Somewhat male heavy
Breeding difficulty: Average
Success: Fairly successful
Breeder:
Date this record created: 23rd April 2003
Breeding Report: Rivulus rubrolineatus
Location code: El-Varillal
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Spawning Mops
Breeding problems: Poor egg survival
Sex ratio: Almost all males
Breeding difficulty: Average
Success: Fairly successful
Other Comments: STRICT TOP SPAWNER, VERY PRODUCTIVE BUT LARGE NUMBERS OF POOR FORMED AND DEAD EGGS. CAN BE AGGRESSIVE WITH THE FEMALES DRIVES THE FEAMLES CONSTENTLY. BEAUTIFUL FISH. LARGE WATER CHANGES ENCOURAGE BREEDING EFFORTS. SHALLOW WATER UNDER 3 INCHES IS BEST FOR PRODUCTION EGG SIZE BELOW AVERAGE FOR RIVULUS OF THIS SIZE.
Breeding date: May 2004
Breeder: LEE VAN HYFTE, IOWA, USA (2 years experience with this species)
Date this record created: 31st May 2004
Breeding Report: Rivulus rubrolineatus
Location code: wild from the river itaya peru
Water conditions: Moderately soft and acidic, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Fairly successful
Other Comments: I keep them in a tank with a shoal of Corydoras sterbai. They obvious eat some of the eggs but egg production is ample.
Breeding date: November 2006
Breeder: (2 years experience with this species)
Date this record created: 13th November 2006

Average success

Breeding Report: Rivulus rubrolineatus
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Peat (or similar) spawning substrate
Breeding difficulty: Average
Success: Average
Other Comments: I tried long term method, which has always worked well for me with rivs. Failed, so I put them in a 2g critter keeper with an inch of peat. After 2 weeks there were more eggs than peat! Kept in 50:50 hard tap : ro
Breeding date: January 2004
Breeder: (1 years experience with this species)
Date this record created: 20th January 2004

Unsuccessful

Breeding Report: Rivulus rubrolineatus
Water conditions: Neutral, 20-23oC
Spawning Method: Spawning Mops
Sex ratio: Roughly equal
Breeding difficulty: Average
Success: Very unsuccessful
Other Comments: Since these fish are in my possession for only 3 months I find them easy to care for in a 5 gallon aquarium for 3 pairs. The tank has a box filter, Java Moss and a floating mop where eggs are collected on and off during the week. The fry have to be forced hatched after 2 1/2 weeks by adding microworms in a pillbox with a vigorous shaking. The fry will eat newly hatched brine shrimp and later on flakes. They can be sexed after 2 months.
Breeder: Hans Behr, Montreal Canada
Date this record created: 20th April 2003
Breeding Report: Rivulus rubrolineatus
Water conditions:
Breeding difficulty:
Other Comments: correction: should read:young can be sexed after 3 months.
Breeding date: February 2004
Breeder: (1 years experience with this species)
Date this record created: 18th February 2004

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