Species profile
Green Laser Corydoras
Osteogaster sp. CW009
Peaceful
Moderate care
90 L minimum aquarium
5–6 cm adult size
Bottom
Minimum group: 8
About this species
General notes for hobby use.
CW009 remains an undescribed aquarium-coded form, but the 2024 Corydoradinae framework places it in Osteogaster. Preserve the CW code prominently.
Water parameters
Suggested general range for long-term care.
Temperature
21–26 °C
pH
6–7.5
GH
2–12 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: 8
Tank zone
Bottom
Territory level
None
Predation risk
Tiny fry
Bioload factor
0.75
Peaceful social Corydoradinae. Keep a proper group over fine sand with mature cover and direct sinking foods.
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
5–8 years
Diet type
Omnivore
Minimum aquarium volume
90 L
Minimum footprint
75 × 35 cm
Accepted scientific name
Osteogaster sp. CW009
Alternative names
Corydoras sp. CW009, Green Laser Cory, Green Stripe Cory, CW009
Native range
Peruvian upper Amazon region; aquarium code CW009 is associated with Peruvian Osteogaster/aeneus-group material.
Natural habitat
Shallow river/stream margins with fine substrate, leaf litter, roots and moderate current.
Diet & feeding
Benthic invertebrates, detrital matter and prepared foods; use quality sinking pellets/tablets with frozen/live foods.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Females are larger and broader when mature; males remain slimmer and may show more pointed fins.
Breeding
Corydoradinae T-position egg layer; females attach adhesive eggs to glass, plants or décor and adults provide no care.