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|Breeding Corydoras davidsandsi, Black 1987|
by Allan James
The picture above shows the
black stripe running along the ridge of the back.
I purchased two pairs from different outlets and
placed them in a 18" x 12" x 12"
tank with aged water, pea gravel, Java moss, Java
fern and a sponge filter, but little did 1 know
the problems I would have trying to spawn them
even though one of the females was quite heavy.
I fed them my usual, being flake food, tablets,
white worm, daphnia and bloodworm (live and frozen)
also undertaking 50% cool water changes twice a
week but 1 just could not get them to start. My
usual visitors to my fish house would come in and
the first thing they would say would be, "have
you not got them spawned yet?".
Corydoras davidsandsi - 11 days old
Corydoras davidsandsi - egg
hatched in three days, and after two days I started
feeding microworm as first food along with egglayer
fry food. I am doing 50% water changes every day.
The next spawning was a week later, this time thirty
eggs were laid. I watched the spawning sequence
this time which occurred at 9am. in the morning.
One male chased the larger female as they took up
the customary 'T" position, with the male grabbing
the females barbels with his pectoral fins and pushing
her very hard, she then broke away from him after
about eight seconds, then she sat on her side for
a further few seconds, then expelled one egg into
her ventral fins. She would travel about the tank
with the male chasing her for what seemed ages,
before she would lay the egg usually in the Java
moss but sometimes on the glass. I noticed that
the other male was trying to get into the act but
the dominant male was chasing him away so he would
go and try to spawn with the other female, but she
was never interested.
Photo Credits: Allan James @
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