Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras(ln1)

Down arrow Cat-eLog Data Sheet
Scientific Name Corydoras(ln1) simulatus  Weitzman & Nijssen, 1970
Common Name Olga Cory
Type Locality Río Ocoá near Puerto López, 4°06'N, 72°57'W, R. Meta system, Meta, Colombia.
Pronunciation kor ee doh rass (lineage one).
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 imitation(simulatus=imitation, copy), in reference to its similarity to Corydoras metae.
Article Link - CotM Right Arrow 1999 Right Arrow September
Down arrow Species Information
Size 49mm or 1.9" 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.

A long snouted species, having a tan coloured body with a black band along the ridge of the back from the base of the dorsal to and across the caudal peduncle. There is also a black vertical eye mask.
Sexing Sexing Corydoradinae catfishes
General Remarks This species is one of only four which posses a third pair of rictal barbels, these are only small and can only be seen when the larger outer barbels are in a forward position.
Down arrow Habitat Information
Distribution South America: Upper Meta River in Colombia.
Orinoco, Middle Orinoco, Meta, Upper Meta (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
pH 6.2 - 6.4
Temperature 20.0-25.0°C or 68-77°F (Show species within this range)
Down arrow Husbandry Information
Feeding Will accept most commercial flake, tablet and granular foods. Small crustaceans, worms and insect larvae form the basis of their natural diet and where ever possible should be offered as and when available.
Furniture Fine smooth grained sand substrate.
Compatibility Peaceful, but may become aggressive to own kind during mating season.
Suggested Tankmates Any non-boisterous fish.
Breeding C. simulatus were spawned in a fish house in the U.K. where the heating was turned off at the end of April and back on again towards the end of September. This resulted in a 24 hour temperature variation of between 8 and 10 °F. Weekly water changes were made as normal, no extra cooling was needed to trigger the spawning. When the fish were ready they followed the normal Cory 'T' formation mating clinches and spawned. A single female produced 150 1.5mm diameter light amber eggs. These were placed on the tank sides and in the spawning mops. Spawning mops should be provided as the fish appeared to prefer these to Java Moss.
Breeding Reports There is but a single breeding report, read it here.
Down arrow Further Information
Reference Beaufortia v. 18 (no. 233), pp 126, Figs. 4, 6d.
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Last Update 2020 Oct 22 04:38 (species record created: 2002 May 16 00:00)