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

Jump to next section Cat-eLog Data Sheet
Scientific Name Corydoras zygatus  Eigenmann & Allen, 1942
Common Name Black Band Corydoras
Type Locality Río Hallagua system, Yurimaguas (5°54'S, 76°04'W), Loreto, Peru.
Pronunciation Kory DOOR ass - z eye GAT uss
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. Zygatus from the Greek zygados: team, pair. On the similarity with Corydoras rabauti
Articles
Article - Shane's World Reproduction Keeping and Breeding Corydoras zygatus
Jump 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.

C. zygatus background colour is pinky-grey, fins are colourless or slightly sooty. Adults have a copper "eyebrow". There is a dark line which always has a green shine to it, this line ends on the caudal peduncle never extending onto the caudal fin and without the downward twist that C.rabautihas and with which it is often confused. There often is a vertical line through the dark stripe just at the base of the dorsal spine, this manifests itself as a break in the stripe. C.zygatus show a number of vertical grey bars on the forward most ventral scutes, rabauti can have this as well but it "usually" shows as a dark smudge without the distinct bars.Adult zygatuscan become scruffy looking. Differences are clearly visible when looking at the fry of the two species.
Sexing Females are rounder, bigger.
General Remarks Rarely active during the day and is very shy.
Jump to next section Habitat Information
Distribution Ecuador: Pastaza, lower Rio Bobonaza and Rio Pindo
Peru: province Loreto, Rio Huallaga system, Rio Santiago
Amazon, Upper Amazon, Marañón, Huallaga (click on these areas to find other species found there)
Amazon, Upper Amazon, Marañón, Pastaza, Bobonaza (click on these areas to find other species found there)

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Temperature 16.0-25.0°C or 60.8-77°F (Show species within this range)
Jump to next section Husbandry Information
Feeding The usual range of food (frozen, live or commercially prepared). Not a picky eater but no scavenger either.
Furniture fine sand, driftwood aquatic plants leaving an open area for them to search for food and swim.
Compatibility Peaceful.
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 Typical Corydoras T manner. They spawn after a good water change. THe temperature at spawning time is around 16°C Female would lay around 600 eggs. With 2 males the fecundity rate is between 95-100%, The small eggs have been known to be laid singly scattered all over the tank.
Breeding Reports There are 2 breeding reports, read them all here.
Jump to next section Further Information
References Fishes West. S. America - pp175 - Pl. 12 (fig. 1)
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Last Update 2009 Jun 28 09:33 (species record created: 2001 May 04 00:00)