|Cat-eLog Data Sheet|
|Scientific Name||Corydoras duplicareus Sands, 1995|
|Type Locality||Rio Poranga, 8 km north of the Nobua oba, prior to where it joins a small trib. of the upper Negro R., Brazil.|
|Pronunciation||Kory DOOR ass - DOOP lee KARR ee uss|
|Etymology||Cory = helmet, doras = skin. In this case it was incorrectly used to mean armour (cuirasse) instead of skin in allusion to the dual rows of plates that run along the flanks of this genus. This specific epithet literally means from two(di=two) rivers(fluviatalis=from the river).|
- Shane's World Reproduction Breeding Corydoras duplicareus
|Size||55mm or 2.2" SL. Find near, nearer or same sized spp.|
|Identification||Corydoras are identified by their twin rows of armour plates along the flanks and by having fewer than 10 dorsal fin rays. They are most commonly confused with the other genera in the sub-family, namely Brochis, Scleromystax and Aspidoras.
According to the description C. duplicareus has serrations on the posterior edge of the pectoral fin spine, whereas C. adolfoi does not. This of course is not easy to see in a normal aquarium. The best way to see if your fish have these serrations would be to place them into a shallow, preferably white, container and shine a light up from underneath. Then with the aid of a magnifying glass you should be able to see if there are any serrations or not. As a general rule C. duplicareus tends to be a little stockier than C. adolfoi and the black band is usually a little broader.
|Sexing||Females fuller (when viewed from above) and larger.|
|Distribution||South America: Brazil: upper Rio Negro
Amazon, Middle Amazon (Solimoes), Negro, Upper Negro (click on these areas to find other species found there)
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|pH||6.4 - 7.4|
|Temperature||20.0-24.0°C or 68-75.2°F (Show species within this range)|
|Other Parameters||Water should be a little soft.|
|Feeding||Sinking wafers, frozen blood worms, Brine Shrimp and live black worms if available.|
|Furniture||Substrate of fine gravel or sand. Open areas of substrate surrounded by plants or rocks / bogwood.|
|Compatibility||A peaceful fish exhibiting typical Corydoras behavior.|
|Suggested Tankmates||Compatible with mid-water swimming fish such as neon or cardinal tetras or other South American Characins.|
|Breeding||Corydoras duplicareus spawned at a temperature of 74°F (23°C) and a pH of 7.0. 30 to 40 eggs scattered primarily across the water line, in fact some of the eggs were out of the water all together. The eggs 1.8mm in size are cream in color.Eggs hatched in 5 days. In subsequent spawnings some eggs were deposited on plants as well. Fry initially fed newly hatched baby brine shrimp. Sinking pellets after a few weeks.|
|Breeding Reports||There are 17 breeding reports, read them all here.|
|References||Freshwater Mar. Aquar.v. 18 (no. 7) - pp12 - Fig. 6|
|Registered Keepers||Keeping this species? Why not .
There are 136 registered keepers, view all "my cats" data.
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|Spotters||Spotted this species somewhere? Click the binoculars!
There are 11 records of this fish being seen, view them all.
|More on Corydoras duplicareus|
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|Last Update||2011 Aug 20 04:46 (species record created: 2001 Apr 20 00:00)|