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Corydoras
rabauti
Joseph
A. Zdzinnicki
GPASI
Journal , date
unknown
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Spawning this fish was a total surprise, as I had given up on them
ever spawning over a year ago and was thinking of selling them in
an auction. I bought nine fish about three years ago at at pet shop
that is now out of business. These fish were not young fry, but over
half grown when I got them.
I placed them in a ten-gallon aquarium on the bottom of the rack.
This tank was unheated and the fish were fed flake food, frozen brine
shrimp and occasionally, live blackworms. The tank was along an inside
wall. After about a year or so with no spawns, I moved them to another
ten-gallon tank on the bottom of another rack on an outside wall.
This location provided a greater fluctuation in temperature, but still
no spawns. After another year or two in this spot with still no spawns,
I moved them to a twenty-gallon on the bottom of a stand in another
part of the room. By this time I had really given up on these fish.
I was extremely surprised when I went to feed the fish one moming
and discovered masses of eggs on the glass of the tank. I scraped
the eggs off the glass and placed them in a plastic margarine tub.
The eggs hatched the next day. (I guess I'm not as observant as I
thought.) I placed the fry in a five-and-a-half-gallon tank with a
sponge filter suspended in the tank so that it does not touch the
bottom. Once the fry became free swimming, I fed them newly hatched
brine shrimp and crushed flake food.
At about two weeks of age, I moved some fry to a ten-gallon I had
just emptied of other fish. At about one month the rest of the fry
were moved to a twenty-nine gallon tank. I can only speculate that
after three years of nothing, the twenty-gallon tank is much closer
to a wall register (about four feet in front of it). With the air
conditioning on, this tank would be cooler than the others and this
slightly lower temperature may have triggered them to spawn. |
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