Killifish

Killifish species profile:
Aphyosemion cognatum

see other Aphyosemion
Aphyosemion cognatum XYZ. This strain turned up at a wholesalers, and was promptly designated XYZ!
Aphyosemion cognatum XYZ. This strain turned up at a wholesalers, and was promptly designated XYZ!
Aphyosemion cognatum
Aphyosemion cognatum
Current Scientific Name:
Aphyosemion cognatum
Described: Meinken, 1951
Common name(s):
Some Recorded Strains:
XYZ

Breeding Aphyosemion cognatum

Have you had any experience breeding this species? Why not fill in a species questionaire
1 other fishkeepers have successfully bred this species and left reports, their results are sumarised below

Method:
Adult fish removed from tank (100%)
Water Conditions:
Moderately hard and alkaline (100%)
Temperature:
16-19°C (50%)
20-23°C (50%)

Read the full breeding report(s) for Aphyosemion cognatum

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Aphyosemion Cognatum CL 2011 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$40

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

Aphyosemion Australe Aquarium Strain Chocolate And Gold Killifish Pair

Maybrook, New York, 125**, UNITED STATES OF AMERICA

$70



Pair 1-1 5?? male and female
This strain is chocolate bswg 94 / 7 but some fish in each batch are more gold / orange. If you have a preference please let me know at purchase.

.


Bred and Raised in my fishroom in New York. When buying fish bred and raised in small batches you get high quality healthy fish.


Check out my other listings
We ship Mondays 
Live Arrival Guarantee:
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Scriptaphyosemion Geryi GCLR 2006 / 7 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$40

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

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Aphyosemion cognatum breeding reports

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

How to keep and breed Aphyosemion cognatum

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 Aphyosemion cognatum, 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 Aphyosemion cognatum 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 Aphyosemion cognatum?

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 Aphyosemion cognatum?

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 Aphyosemion cognatum to keep and breed?

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

How successful have you been at breeding Aphyosemion cognatum?

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

Very successful / fairly successful

Breeding Report: Aphyosemion cognatum
Water conditions: Moderately hard and alkaline, 20-23oC
Spawning Method: Adult fish removed from tank
Breeding problems: Poor egg production
Sex ratio: Somewhat male heavy
Breeding difficulty: Easy
Success: Very successful
Breeder: Alex Dolghi, Moldova, Republic of
Date this record created: 26th September 2003
Breeding Report: Aphyosemion cognatum
Water conditions: Moderately hard and alkaline, 16-19oC
Spawning Method: Adult fish removed from tank
Breeding problems: Poor egg production
Sex ratio: Roughly equal
Breeding difficulty: Easy
Success: Fairly successful
Breeder: Alex Dolghi, Moldova, Republic of
Date this record created: 3rd May 2003

Unsuccessful

Breeding Report: Aphyosemion cognatum
Location code: XYZ
Water conditions: Moderately soft and acidic, 24-27oC
Spawning Method: Long term (fry appear with adults)
Breeding problems: Skewed sex ratio
Sex ratio: Almost all females
Breeding difficulty: Average
Success: Fairly unsuccessful
Other Comments: Very rarely see them , they dart out of the Java Moss, grab a worm and disappear immediately. The few fry I have taken from the parents tank are even more skittish in their own tank .
Breeder: Len, Essex (1 years experience with this species)
Date this record created: 15th October 2006
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Aphyosemion Elberti CFE 04 / 05 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$40

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

Aphyosemion Ogoense 80 / 24 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$40

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

Aphyosemion Citrinepinnis GJS 00 / 03 Killifish Breeding Pair

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$120

Breeding Pair
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be postponed during extreme temperatures ... more

Aphyosemion Bivittatum Lago's Red Killifish Breeding Pair

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$120

Breeding Pair
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be postponed during extreme temperatures ... more

Aphyosemion Citrinepinnis GJS 00 / 03 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$30

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

Aphyosemion Wachtersi O'Billy RPC 91 / 13 Killifish Eggs 15-25 Count

Birch Run, Michigan, 484**, UNITED STATES OF AMERICA

$40

15-25 Eggs expect 4-7 day's for orders to be collected
?? Live Arrival GuaranteeWe guarantee all fish will arrive alive and healthy. If you receive a DOA (Dead on Arrival):Contact us within 2 hours of delivery Provide clear photos of the fish inside the sealed bag We??ll evaluate the case and may offer a replacement or partial refund, depending on the situation Note: Guarantee void if no one is present at first delivery attempt ?️ Weather & Shipping RestrictionsShipments may be ... more

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