Hongkongensis eggs

C

chris

Guest
Hi all,
Just wanted to announce that two of the eggs I got from Juraj Lezovic sent me have hatched! and about 3 more aRE on the way.
As they seem to hatch in batches, I am assuming that I will need to sort them out size-wise, is this correct.
Anyone who has had hongkongensis eggs - how long to they take to commence feeding?
Chris
 
Hi Chris,
Great news on the eggs, do you have any pics?
It would probably be better to keep them in batches of the same size, so that cannibalism does't occur.

(Message edited by Mark_uk on March 20, 2004)
 
Hi Chris,
keep them clean. They are very inclined to fungal infections
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. From the start I kept them all together in planted tank and I lost 25 up to now. At the moment I keep them in batches (4-5 each)in small (2litres)plastic boxes and changing water every day.
 
Juraj
I lost 2 right at the beginning. I think they were infertile. The remaining 9 eggs and larvae(including my own fuzhongensis egg) are developing nicely. I put them in a 10gall tank with bubble filter and a few daphnia+moenia. The two hatched ones are in the same tank as the eggs. I change the water once a week, but will step up to twice once more have hatched and they start to feed. How long did your batch last year take to start feeding?
Chris
 
i have had only a max of 6 laid at any time and i lost them all to fungus....
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Chris
I lost 25 larvae. Another experiment is keep them separately in small batches. This method is easier to keep them clean.
The last year batch was newly morphed juveniles which I got from another breeder. Larvae from the current batch start eat 4-7 days after hatching. It depends on their stage of development which can vary.
 
I kept my hongkong larvae in a planted 10gallon tank with a hang over filter and feeder guppies my larvae did great i change water every 2 months or so. I couldnt keep any alive that i kept in cups i think they need some type of waterflow and with a ten gallon and plants you will never have to feed them. I lost about 30 to tring to keep in small containers. My last 2 i put in the 10 gallon and both morphed i droped sinking sof newt pellets in the water but i think they ate other organisoms in the ten gallon hope this helps.
 
How much time did it take till they died in small boxes ? I keep them this way for two weeks and they eat and grow.
 
At the moment I keep over 30 alive.
an older one (about 3 weeks old)
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younger ones (a week old)
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Juraj
Mine are not far behind...although 4 are not nearly hatched. 2 have hatched prematurely (still grey' and one of these has died. My two already hatched ones are a week old, but seem less developed than yours. Another is moving in the egg, so I shall have 3 soon! What do you styart them feeding on? I have tons of 'pond plankton' (daphnia of all sizes + other tiny crustaeceans). Although I don't see them eating, they appear to be healthy.
Perhaps, as they hatched slightly earlier, they have not finished their yolk yet...
Chris
P.S. picsd soon!
 
I think you have the best food for them. I start feeding artemia and cultured daphnia.
 
Juraj
do you keep them in the containers you have used to phtograph them in? What cleaning regime do you use?

Chris
 
Hello Chris
The containers on the photo are the same I keep them in. I use very radical cleaning regime
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. Someone could say
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. I do 100% water change every morning wash the container and rinse the larvae under flow of water which was aged in the same room. Since I do this I havn`t lost any.
 
Here are some pics of the most developed embryo. The others were too hard to photograph. There is also one of a hatched larva.
Chris
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Thanks
That one still hasn't hatched, but I expect it to soon.
Chris
 
Nice going guys, though the real challenge is to keep them alive after they morph
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That's where I failed. Good luck with it!
 
I think the key to morphs is microclimates. My friend kept 6 alive and hand feeding in a small propagator (from a normal hardware store). He put damp sand at one end and soil aty the other. By putting stacks of corkbark pieces, corkbark on stones and moss, he created areas of different hummidity for the juvies. The animals would change their preferences frequently, and would always seem to change together, or at least in groups. They also seemed to have an addiction to woodlice and pillbugs...
Chris
 
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