|Cat-eLog Data Sheet|
|Scientific Name||Corydoras(ln5) nijsseni Sands, 1989|
|Common Names||C111, Nijssen's Cory|
|Type Locality||Tributary of the Rio Negro, Brazil.|
|Synonym(s)||Corydoras elegans nijsseni|
|Pronunciation||kor ee doh rass (lineage five). - nih SENN eye|
|Etymology||Named for Dr Han Nijssen.|
|Size||30mm or 1.2" SL. Find near, nearer or same sized spp.|
|Identification||Like all the other Rio Negro Corys, the black dorsal stripe can vary in size and intensity. Reminds one somewhat of C. elegans in terms of body shape.|
|Sexing||Males are markedly smaller in total length and in body mass. Males also generally have more intense colours with a darker saddle marking. Females can often show smaller fins than males.|
|Distribution||South America: Negro River basin.
Amazon, Middle Amazon (Solimoes), Negro (click on these areas to find other species found there)
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|IUCN Red List Category||Not Evaluated|
|Temperature||22.0-26.0°C or 71.6-78.8°F (Show species within this range)|
|Feeding||Will accept most brands of flake and pelleted food of a suitable size, preferably fast sinking. They also relish finely chopped earthworm, whiteworms, grindal and micro worms. Most frozen foods are eagerly accepted.|
|Furniture||Prefers a soft, shallow, sandy bottom with bogwood and plants or rocks. Caves are occasionally used to retire.|
|Compatibility||Very peaceful and active in a community tank.|
|Suggested Tankmates||All smaller community fish. More advanced aquarists will seek this species out for a Rio Negro biotope tank.|
|Breeding||Best attempted in a 5 gallon (imperial) aquarium with bare bottom and a half clay flower pot. Maintain at 24°C. Feed the fish well for a few days on live food and then perform an 80% water change with water at 18°C while also adding vigorous water movement by airstone.
Spawns in typical Corydoras fashion and seems best with one female to two males but a single pair has no problems breeding. Eggs are laid in small clumps of ten or more on the sides of the aquarium, sometimes on the pot and other furniture if used.
Fry hatch in 3 - 4 days and are feeding on live brine shrimp and microworms by day 6 - 7 depending on temperature. The young will attain 2 - 3cm long in 8 - 10 weeks.
|Breeding Reports||There is but a single breeding report, read it here.|
|Reference||Practical Fishkeeping, pp 45, Fig.|
|Registered Keepers||Keeping this species? Why not .
There are 19 registered keepers, view all "my cats" data.
|Wishlists||Love this species? Click the heart to add it to your wish list.
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|Spotters||Spotted this species somewhere? Click the binoculars!
There are 8 records of this fish being seen, view them all.
|More on Corydoras(ln5) nijsseni|
|Look up Corydoras(ln5) nijsseni on AquaticRepublic.com|
|Look up Corydoras(ln5) nijsseni on Fishbase|
|Look up Corydoras(ln5) nijsseni on Encyclopedia of Life|
|Look up Corydoras(ln5) nijsseni on Global Biodiversity Information Facility|
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|Last Update||2020 Nov 21 02:44 (species record created: 2001 Apr 30 00:00)|