Edit Gastrodermus nijsseni
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Name
Scientific name
Gastrodermus nijsseni
Described by
Bracketed
Family
Callichthyidae
Common names
Nijssen's Cory
Photograph credits
All 1 credited
Summary
Nijssen's cory, Gastrodermus nijsseni, long known as Corydoras nijsseni, is an armoured catfish endemic to the Rio Negro basin in Brazil, l…
Size and aquarium
Maximum size
50mm, standard length
Aquarium size
Minimum length 45 cm, Minimum depth 30 cm, Minimum height 30 cm
Water
Water conditions
Temperature 22–26°C, pH 5–7
Hardness
0–10dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Brazil, Negro
Writing
Etymology
Not written yet
Distribution
Endemic to the Rio Negro basin, Brazil.
Habitat
Mainly inhabits blackwater rivers, creeks and tributaries. The water in these biotopes is often stained brown with tannins and other chemicals released from de…
Aquarium size
A tank measuring 45 ∗ 30 ∗ 30 cm - ~41 litres is big enough for a small group of these.
Maintenance
Gastrodermus nijsseni will thrive in a tank set up to replicate an Amazon biotope. This would be very simple to arrange. Use a substrate of river sand and add …
Water conditions
Temperature: 22 – 26 °C pH: 5.0 to 7.0. Tank-bred fish will live happily enough in more alkaline conditions, but to see it at its best it really requires acidi…
Diet
Omnivorous and easy to feed. Use a good quality sinking pellet or tablet as the staple diet. Supplement this with live and frozen foods such as Daphnia, Artemi…
Behaviour and compatibility
Very peaceful and suitable for many community tanks. Don't keep it with anything very large or aggressive. Good tankmates include small characins, cyprinids, a…
Sexual dimorphism
Like most corys, it's easily sexed when viewed from above. Females are noticeably rounder and broader-bodied than males, especially when full of eggs. They're …
Reproduction
Can be bred in a similar fashion to many other Corydoras species. Set up the breeding tank (18" x 12" x 12" or similar is a good size), with either a bare bott…
Notes
There are currently over 180 described species of Corydoras (commonly shortened to "cory"), making it one of the most speciose of all South American fish gener…
References
References
No references