PisciDex Species Profile
Buenos Aires Tetra
Lively larger tetra that is hardy and active, but likely to graze soft aquarium plants.
Psalidodon anisitsi
Acestrorhamphidae | South America | Paraná, Paraguay, and Uruguay basins
Core Requirements
Tank Size
30 gallons minimum
Adult Size
2.8 inches
Group Size
Group 6+
Bioload
2/10
Water Parameters
Temperature
68-78 F
Tolerated Temp
64-82 F
pH
6-8
Plant Safe
No
Invert Safe
Yes
Data Confidence
medium
Temperature note: Recommended range narrowed for compatibility; wider 64-82 F is treated as tolerated.
Care Warnings
- Active tetra that may nip fins and graze or destroy soft aquarium plants.
Behavior & Husbandry
Temperament
Semi-Aggressive
Aggression
3/10
Diet
Omnivore
Difficulty
Easy
Lifespan
5 years
Breeding
Easy
Schooling
Yes
Compatibility Tags
CommunitySemi AggressiveSchoolingMid WaterBeginner Friendly
Similar Species
Species Compatibility
Database-driven compatibility notes for planning community aquariums.