Species profile
Schwartz's Corydoras
Hoplisoma schwartzi
Peaceful
Moderate care
100 L minimum aquarium
5–8 cm adult size
Bottom
Minimum group: 6
About this species
General notes for hobby use.
Adult maximum raised to 8 cm in line with current Fishkeeper husbandry data.
Water parameters
Suggested general range for long-term care.
Temperature
22–25 °C
pH
6–7.5
GH
2–18 dGH
KH
Not yet documented
Flow preference
Moderate
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Minimum group: 6
Tank zone
Bottom
Territory level
None
Predation risk
Tiny fry
Bioload factor
1.5
Peaceful shoaler; maintain six or more.
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
100 L
Minimum footprint
80 × 35 cm
Accepted scientific name
Hoplisoma schwartzi
Alternative names
Schwartz's Cory, Corydoras schwartzi
Native range
Brazil, Rio Purus drainage in the Amazon basin.
Natural habitat
Mature aquarium with soft sand, shade, wood/rock cover and excellent water quality.
Diet & feeding
Sinking catfish foods with varied frozen/live invertebrates.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Mature females are larger and fuller-bodied.
Breeding
T-position spawner; adhesive eggs are deposited on plants, decor or glass, often after a cooler water change.