Corydoras panda, Nijssen & Isbrücker, 1971
Origin: Peru, Rio Ucayali sytem, Rio Aquas, Rio Amarillas, tributary of Rio Pachitea.
Etymology: panda, after it's similarity with the panda bear.
First import: 1968, by R. H. Richards
Description: See pictures
Care: Reasonably easy to keep, as long as a sandy soil and decent filtration is present. Corydoras panda is a bit more sensitive to pollution than for example Corydoras aeneus. Furthermore some hiding places should be present in the form of driftwood, and some planted zones and floating plants to create some protection from above, and will cause the fish to show themselves more often. Corydoras panda inhabits the lower regions of the tank, although they als swim in the middle regions occasionally, and can also be found resting on top of pieces of driftwood.
Feeding: Omnivorous, all food is accepted. They should receive some food frequently, so make sure you feed enough. Corydoras can eat vast amounts of food.
Size:depending on the variety, 4.5-5.5 cm.
Breeding: I've bred the fish under the following conditions; 1m*50*50 tank, waterlevel 25 cm, sandy soil, no plants, light, strong filtration. Weekly 50% waterchanges for a period of time, water pH 8.3, dGH 10. As substrate green cotton. 7 fully grown(4.5 cm)Corydoras panda were the only inhabitants of the tank. Large amounts of frozen and live food were fed. In the beginning fewer larger eggs were laid, 50-60 per spawn, but later smaller eggs were laid, but in larger numbers(4 females produced approximately 100 eggs per week). The eggs were transferred into breeding nets, (20*15*15) in the same tank. When I moved the eggs to other tanks lot's of them fungused(same water!). The fry hatched in 4-5 days, and started feeding 3 days later(at 24 degrees). The fry immediately accepted freshly hatched artemia nauplii(San francisco bay, the smallest). Three times a day the fry were fed, and daily waterchanges were conducted. After 2 months the fry were between 1.8 and 2.5 cm. Some batches that weren't fed well in the beginning completely perished.
Sexual dimorphism: Females are larger, and fatter.
Prices: Small 3-6€, large 7-10€
Picture references: All pictures E. Naus
References:Lambourne, D. ((1995): Corydoras catfish, An Aquarist's Handbook. Blandford, London, UK.Hierronimus, H. (1997): Ihr Hobby: Corydoras Pantzerwelse. Bede Verlag, Ruhmannsfelden, Germany.Baensch, H. A., Riehl, R.(1982): Aquarien Atlas I. Mergus Verlag, Melle, Germany.(click on the link to buy this book)
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