Species profile
Black Venezuela Corydoras
Osteogaster schultzei
Peaceful
Easy care
80 L minimum aquarium
5–7 cm adult size
Bottom
Minimum group: 8
About this species
General notes for hobby use.
Black aquarium-bred colour form traditionally sold as Black Venezuela Cory. The domestic form is real; the exact standing of the parent name Osteogaster schultzei remains taxonomically uncertain.
Water parameters
Suggested general range for long-term care.
Temperature
22–26 °C
pH
6.5–7.2
GH
2–15 dGH
KH
Not yet documented
Flow preference
Low–moderate
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Minimum group: 8
Tank zone
Bottom
Territory level
None
Predation risk
Tiny fry
Bioload factor
0.8
Peaceful social catfish. Maintain a group on fine sand with good oxygenation and direct feeding.
Compatibility flags
Quick cautions for common tank-planning issues.
Fin nipper
No
Plant safe
Yes
Shrimp safe
Yes
Snail safe
Yes
Cave breeder
No
Digs substrate
Yes
Jump risk
Low
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
Not yet documented
Diet type
Omnivore
Minimum aquarium volume
80 L
Minimum footprint
80 × 30 cm
Alternative names
Black Venezuela Corydoras, Black Cory, Corydoras schultzei "Black", Black Venezuela Cory
Native range
Domestic aquarium strain; parent lineage is associated with the Osteogaster aenea/schultzei complex.
Natural habitat
Aquarium-bred form: fine sand, plants/wood, clean oxygenated water and unrestricted surface access.
Diet & feeding
Quality sinking foods plus frozen/live invertebrates; should be fed directly.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Females are larger and broader through the abdomen; males stay slimmer.
Breeding
Typical Corydoradinae T-position spawning; eggs are adhered to glass, plants or décor and adults offer no brood care.