Species profile
Kitty Tetra
Hyphessobrycon heliacus
Peaceful
Moderate care
60 L minimum aquarium
3–4 cm adult size
Midwater
Minimum group: 10
About this species
General notes for hobby use.
Trade warning: fish sold as 'Kitty Tetra' are sometimes H. elachys rather than true H. heliacus. This profile applies only to confirmed H. heliacus.
Water parameters
Suggested general range for long-term care.
Temperature
23–28 °C
pH
5.5–7.5
GH
1–10 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: 10
Tank zone
Midwater
Territory level
None
Predation risk
Tiny fry
Bioload factor
0.5
Peaceful shoaling tetra for a planted aquarium. Keep a proper group so display and hierarchy are spread naturally.
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
No
Jump risk
Low
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
3–5 years
Diet type
Omnivore
Minimum aquarium volume
60 L
Minimum footprint
60 × 30 cm
Accepted scientific name
Hyphessobrycon heliacus
Alternative names
Kitty Tetra, Hyphessobrycon heliacus
Native range
Tapajós basin, Mato Grosso, Brazil.
Natural habitat
Vegetated tributaries and marginal waters with submerged plants/wood and relatively calm flow.
Diet & feeding
Small invertebrates and plant/detrital material; feed fine quality dry foods with frozen/live microfoods.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Males show more extended fins and stronger colour; females become fuller-bodied when mature.
Breeding
Egg-scattering tetra with no parental care; adults may consume eggs and fry.