All FishesCallichthyidaeCorydoradinaeCorydoras(ln1)

  • Corydoras(ln1) amapaensis
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Scientific Name Corydoras(ln1) amapaensis  Nijssen, 1972
Common Names Amapa State Cory
Amapa Cory
Type Locality Cachoera Creek at right bank of Rio Amapari, 4 km downstream of Casa do 7, Amapa, Brazil.
Pronunciation Kory DOOR ass. - ah map ah ENN siss
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. From Amapa, the state in Brazil where the species was found. Latin ensis denoting a place, locality or country.
Hop to next section Species Information
Size 70mm or 2.8" 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.

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.
Sexing As with all Corys, the female is larger, plumper and has rounded pelvic fins.
Hop to next section Habitat Information
Distribution South America: Oyapock and Amapari rivers in Amapá, Brazil and French Guiana.
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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IUCN Red List Category Not Evaluated
pH 6.0 - 7.6
Temperature 23.0-28.0°C or 73.4-82.4°F (Show species within this range)
Other Parameters Water should be a little soft.
Hop to next section Husbandry Information
Feeding All suitably sized foods. Bloodworm & brineshrimp are particular favourites.
Furniture Floating plants to diffuse lighting and a sandy substrate is an almost must for this digger.
Compatibility As 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 Tankmates Anything from tetras to cichlids, preferably South American, but will mix with all community fish.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Netherlands Journal of Zoology v. 21 (no. 4), pp 417, Figs. 2, 3; Pl. 3.
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Last Update 2020 Oct 03 09:56 (species record created: 2004 Apr 27 00:00)