Hi Jianyang, I've edited this:
I kept the chocolate gouramies (Sphaerichthys osphromenoides) back in
1980-1982 in Portland, Oregon. Portland's water (at least at that time) was
naturally soft and acid and I kept the tank at a steady 78-80F and fed
mainly live food: excess Colisa lalia fry (yes, some of Nature's lessons are harsh!) which they avidly went for. In their natural habitat, rasbora too,
are found and water quality must be very high: weekly water changes are
highly recommended. Fertilised mama fish should have their own abode
(something I didn't do, therefore no fry!) and promptly removed after fry
hatch in about 12 days. This is *after* the eggs emerge from her mouth!
One source says to wait 7 days after she's placed them in her brood pouch before moving her to her own tank. Young females may eat the eggs the
first few times, which is expected. She keeps the fertilised eggs in her
brood pouch for 3 weeks which sounds like a long time! I never measured water parameters back then but ideally: ph: 6-6.5, GH-0-5, Ammonia: 0,
Nitrite: 0, and Nitrate: <10ppm. If you are successful, the fry can take bbs straight off. I had 3 pairs in an old 15 gallon metaframe show tank that was heavily planted. Mama's private bungalow should be heavily planted, too, to give her a more secure feeling and for the fry to hide in, while you gather mama up to place in the adults' tank. You want even number male-female which you've done, to encourage pairing. I did several things wrong when I kept them, but I didn't kill them, either.If you can keep them close to the above water parameters and feed them plenty of small live food, they should reward you with fry!
77-86F is their temp range.
Dave Wood, a friend of mine and KL's in England, has successfully bred
these fish. I could send an email to him if you want, for advice.
Bill
farang9
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