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

Jump to next section Cat-eLog Data Sheet
Scientific NameCorydoras amapaensis  Nijssen, 1972
Common NamesAmapa State Cory
Amapa Cory
Type LocalityCachoera Creek at right bank of Rio Amapari, 4 km downstream of Casa do 7, Amapa, Brazil.
PronunciationKory DOOR ass - ah map ah ENN siss
EtymologyCory = 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. From Amapa, the state in Brazil where the species was found. Latin ensis denoting a place, locality or country.
Jump to next section Species Information
Size 70mm or 2.8" SL. Find near, nearer or same sized spp.
IdentificationCorydoras 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.

The colour pattern of this species varies considerably throughout its range and, because of this fact, it is often confused with the following species. C. septentrionalis originating from Venezuela, C. simulatus originating from Colombia and both C. treitlii and C. solox which were described from Brazil.
C. amapaensis differs from all but C. septentrionalis by the presence of a third pair of rictal barbels - see the catfish of the month article for more info. and pictures.
There is no easy way to distinguish C. amapaensis from C. septentrionalis, the former attain a slightly larger adult size and have a more rugged appearance than the latter. Although as youngsters they both have a light banding in their caudal fins, adult C. amapaensis have clear caudal fins.
SexingAs with all Corys, the female is larger, plumper and has rounded pelvic fins.
Jump to next section Habitat Information
DistributionBrazil: Rio Amapari & Oyapock
Amapa State Waters, Araguari (Amapa), Amapari (click on these areas to find other species found there)
Guyana Waters, Coastal Rivers of Guyanas, French Guyana Coastal Rivers, Oyapock (click on these areas to find other species found there)
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pH6.0 - 7.6
Temperature23.0-28.0°C or 73.4-82.4°F (Show species within this range)
Other ParametersWater should be a little soft.
Jump to next section Husbandry Information
FeedingAll suitably sized foods. Bloodworm & brineshrimp are particular favourites.
FurnitureFloating plants to diffuse lighting and a sandy substrate is an almost must for this digger.
CompatibilityAs with all Corys, a perfect community tank citizen. Males, once established, can be quarrelsome with each other if kept in too small an aquarium.
Suggested TankmatesAnything from tetras to cichlids, preferably South American, but will mix with all community fish.
Jump to next section Further Information
ReferencesNeth. J. Zool.v. 21 (no. 4) - pp417 - Figs. 2, 3; Pl. 3
Registered Keepers(1) discuscat, (2) Coryman, (3) Coryologist (k: 4), (4) Mark Panaque, (5) jolle, (6) SeanL (k: 6), (7) Mol_PMB, who also notes: "The only one available, but it gets on well with my condiscipulus and oiapoquensis".

Click on a username above to see all that persons registered catfish species. You can also view all "my cats" data for this species.
Breeding ReportsNone.
Article - CotM 2009 November
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Last Update2013 Jul 19 13:10 (species record created: 2004 Apr 27 00:00)