Cat-eLog Right Arrow Callichthyidae Right Arrow Corydoradinae Right Arrow Corydoras

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Scientific Name Corydoras revelatus  Cockerell, 1936
Common Name Fossil Cory
Pronunciation Kory DOOR ass
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. 
Jump to next section Species Information
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.

This is the only known fossil species of Corydoras.
Sexing Females grow larger and are more full-bodied, this is best observed from above the fish. Males will typically have more pointed as opposed to more rounded fin tips as they mature.
General Remarks It is estimated that this specimen is around 58 million years old.
Jump to next section Habitat Information
Distribution Found only at Bajo San José Lower Section, Buenos Aires, Argentina
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Feeding As a fossil species it is best to allow long periods between feedings.
Furniture This is a fossil species; it's best kept in a dry location away from abrasive materials and corrosive chemicals with the occasional dusting.
Compatibility A peaceful, shoaling, community fish.
Suggested Tankmates All Corydoras should be kept in groups of at least 6 of the same species. Otherwise compatible with most other types of fish that are reasonably peaceful, as long as they don't see a Corydoras as a snack.
Breeding Known only from the fossil record, no breeding information available or indeed useful for the aquarist.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References T. D. A. Cockerell. 1936. The Fauna of the Sunchal (or Margas Verdes) formation, Northern Argentina. American Museum Novitates 886:1-9
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Last Update 2017 Dec 29 07:53 (species record created: 2009 May 02 00:18)