ID: 2757 Geopend

10 - Ulysses - Medaka Rice Fish Eggs - Free Shipping

TheGuppyHouse 1

10 Ulysses Medaka eggs. Has dominant orange coloration. I will be working this season to bring out higher contrast blues. Actual parents pictured.

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You are bidding on Medaka eggs. They are one of the easiest eggs to hatch and raise, and I am confident that the majority of people will have success with raising them up. Although I only ship healthy eggs, some DOA eggs are to be expected. I send a couple extra to help compensate for this. I also add methylene blue for shipping to prevent disease from spreading. Although I cannot guarantee any hatch rates, 70% - 90% should be expected for the average batch.

STRAIN SPECIFIC NOTES

Ulysses are one of the most sought after strains in the hobby. Know for the striking contrast between orange, blue, and black. Please note that these parents currently have more orange than I currently desire. I hope to bring out stronger blues and a more subtle orange. Note that the any Ulysses strain in America is not fixed at this point, and is particularly variable in offspring coloration. There is no guarantee that you will get fry that look like their parents. That being said, I believe there is a reasonable chance with 10 eggs you will get at least one suitable pair.

HOW TO HATCH AND RAISE MEDAKA EGGS

Eggs will hatch within two weeks of receiving them, though most will hatch before then. They are most vulnerable in their first two weeks of life. I would suggest establishing a separate hatchery to reduce the change that these eggs are eaten by other fish. Adding live plants (I suggest Java Moss or something similar) to the hatchery is beneficial.

0 - 2 Days: There is no need to feed your freshly hatched eggs in their first couple days of life. They will still have egg yolk to feed on during this time, and will opportunistically feed on any Infusoria brought from live plants. Personally, I also culture a small amount of Daphnia in my hatcheries. They offer a water stable food source; the parents are too big to be eaten, but their newly hatched Daphnia babies are perfect for developing fry.

3 - 7 Days: This is a critical time in the Medaka's life. It is important that the fish are fed everyday during this stage to prevent stunting growth, and avoid losses. Even crushed flake food once a day is sufficient, though more is encouraged. They will take freshly hatched BBS as a first true meal around day 3.

8 - 14 Days: The fry are still fragile, and strong water current should still be avoided. Though at this point a missed feeding is not likely to cause losses.

15 - 30 Days: After the first couple weeks they are about as easy as raising a Guppy fry, and the care is very similar. They will continue to grow stronger, and when approaching the 30 day mark, the faster developing fry can easily stand their own against other adults.

The Ulysses strain can take at least three months to start to develop their adult coloration, with final adult colors setting around the 4 - 6 month mark.