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|Breeding Corydoras Barbatus (Qouy & Gainard 1824)
by Jim Makin
phone call to me announced the arrival of Corydoras barbatus to the North East of England. Off I went to the shop to purchase them. When I arrived at the shop there was only about a dozen left. 1decided to take a gamble and select a trio, thinking back they looked fairly healthy and I chose the largest which was a 2" (50mm) fish which I considered to be a female as it was very robust, the other fish were all around 1" (25mm) and very slender and two of these made up the trio. No apparent differences was seen in the pelvic fins and this is why I selected by size and shape. To date I still cannot see any difference in the pelvic fins but the males pattern differs considerably, they have a gold band along the lower part of their sides, I find that only certain Corydoras can be sexed by the pelvic fins. Returning home the trio were put into a 24" 10" 10" (60cm x 25cm x 25cm) tank with some healthy Corydoras aeneus (great care was taken with the water acclimatisation). My water is P.H. 6 - Temperature 70-72°F - Dh - ?. I have found that new Corydoras settle in better if I put them in an established Corydoras tank.
After a few weeks they were put into a 40"x 12"x 12 inch (1000mm x 300mm x 300 mm) Corydoras community tank where they grew well during the summer months. They were fed on a mixed diet of flake, beefheart/spinach mix, white worms, and tubifex worms. My judgement had been good - one female 3" (75mm) and two males 2" - 2½" (50mm - 62mm).
For the last 9 months the barbatus have been housed in a 36" x 15" x 12" (90cm x 37cm x 30cm) tank with 8 Corydoras blochi and have regularly produced eggs every 6 - 8 weeks, the fry being raised as described.
Remember these two important points which should help you on your way to success.
1. Keep the fish in tip-top condition by changing the water regularly.
2. Keep them happy by including other Corydoras as they do not like being alone and prefer to live in larger groups of at least 10, they are naturally a shoaling fish, so it is better to buy several of one species rather than pairs or trios.
This Article first appeared
in the Catfish Association of Great Britain Newsletter.
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