Killifish
Current Scientific Name:
Simpsonichthys costai
Described: (Lazara), 1991
Common name(s):
Some Recorded Strains:
Formoso do Araguaia

Breeding Simpsonichthys costai

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:
Peat (or similar) spawning substrate (100%)

Water Conditions:
Very soft and acidic (100%)

Temperature:
24-27°C (100%)

Read the full breeding report(s) for Simpsonichthys costai


Links

Simpsonichthys costai breeding reports

Each record reproduced here represents one instance of breeding this species. Have you kept and bred Simpsonichthys costai? Why not add a breeding report? If you had different results, or used different methods, please share your experiences

How to keep and breed Simpsonichthys costai

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 Simpsonichthys costai, 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 Simpsonichthys costai 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 Simpsonichthys costai?

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 Simpsonichthys costai?

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 Simpsonichthys costai to keep and breed?

graph7
  1. Very easy
  2. Easy
  3. Average
  4. Difficult
  5. Very difficult

How successful have you been at breeding Simpsonichthys costai?

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

Very successful / fairly successful

Breeding Report: Simpsonichthys costai
Location code: Formoso do Araguaia
Water conditions: Very soft and acidic, 24-27oC
Spawning Method: Peat (or similar) spawning substrate
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Difficult
Success: Fairly successful
Other Comments: Very beautiful fish, small and should be kept in groups of one male and three females. Like old water, low lights and lots of plants
Breeder: F.Falcon, Rio de Janeiro - BRAZIL (1 years experience with this species)
Date this record created: 6th January 2005

Average success

Breeding Report: Simpsonichthys costai
Location code: Formoso do Araguaia
Water conditions: Very soft and acidic, 20-23oC
Spawning Method: Peat (or similar) spawning substrate
Breeding problems: Poor egg survival
Sex ratio: Roughly equal
Breeding difficulty: Easy
Success: Average
Breeder: (2 years experience with this species)
Date this record created: 25th September 2007

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