PlanetCatfish.com - Osteogaster zygata (Callichthyidae) Cat-eLog

Close-up of head
Twelve years old

Cat-eLog Data Sheet
Scientific Name	**Osteogaster zygata** Eigenmann & Allen, 1942
Common Names	Black Band Corydoras Sortrygget Pansermalle (Denmark)
Type Locality	Río Hallagua system, Yurimaguas (5°54'S, 76°04'W), Loreto, Peru.
Synonym(s)	Corydoras zygatus
Pronunciation	os tee oh gas terr - z eye GAT uss
Etymology	Zygatus from the Greek zygados: team, pair. On the similarity with Corydoras rabauti
Articles	- Shane's World Reproduction Keeping and Breeding Corydoras zygatus
Species Information
Size	56mm or 2.2" SL. Find near, nearer or same sized spp.
Identification	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.
Habitat Information
Distribution	South America: western Amazon River basin. 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) Login to view the map.
IUCN Red List Category	Not Evaluated
Temperature	16.0-25.0°C or 60.8-77°F (Show species within this range)
Husbandry Information
Feeding	The usual range of food (frozen, live or commercially prepared). Not a picky eater but no scavenger either. User data.
Furniture	fine sand, driftwood aquatic plants leaving an open area for them to search for food and swim.
Compatibility	Peaceful.
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.
Further Information
Reference	Fishes of western South America, pp 175, Pl. 12 (fig. 1).
Registered Keepers	There are 58 registered keepers, view all "my cats" data.
Wishlists	Love this species? Click the heart to add it to your wish list. There are 5 wishes to keep this species, see who wants what.
Spotters	Spotted this species somewhere? Click the binoculars! There are 19 records of this fish being seen, view them all.
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	Look up O. zygata on Encyclopedia of Life
	Look up O. zygata on Global Biodiversity Information Facility
	LFS label creator ARN ref:1.1.1579.511
Last Update	2024 Jun 30 13:51 (species record created: 2001 May 04 00:00)