Corydoras amapaensis • Callichthyidae • Cat-eLog

Cat-eLog Data Sheet
Scientific Name	**Corydoras amapaensis** Nijssen, 1972
Common Name(s)	Amapa Corydoras, Amapa State 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.
Species Information
Size	70mm (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.
Habitat Information
Distribution	Brazil: 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) (Click the map-icon to show/hide map of species distribution)
pH	6.0 - 7.6
Temperature	23.0-28.0°C or 73.4-82.4°F (Show others within this range)
Other Parameters	Water should be a little soft.
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.
Further Information
References	Neth. 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. 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 Reports	None.
Articles	- CotM 2009 November
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Last Update	2007 Feb 04 12:44 (species record created: 2004 Apr 27 00:00)

Cat-eLog Data Sheet

Scientific Name

Corydoras amapaensis Nijssen, 1972

Common Name(s)

Amapa Corydoras, Amapa State 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.

Species Information

Size

70mm (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.

Habitat Information

Distribution

Brazil: 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)

(Click the map-icon to show/hide map of species distribution)

6.0 - 7.6

Temperature

23.0-28.0°C or 73.4-82.4°F (Show others within this range)

Other Parameters

Water should be a little soft.

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.

Further Information

References

Neth. 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.

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 Reports

None.

Articles