Overview
The Buenos Aires Tetra (Hyphessobrycon anisitsi) is a beginner freshwater species known for its silver, red fins coloration. Hardy but may eat plants. Mid.
Origin & Appearance
Origin: South America.
Colors: Silver, Red fins.
Body Shape: Fusiform (torpedo/streamlined). Typical adult dimensions: 7.0 x 1.3 x 2.1.
Sexual Dimorphism: Subtle; males more colorful.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 64–82°F |
| pH Range | 6–8 |
| Water Hardness (GH) | 5-20 |
| Bioload | medium |
| Oxygen Demand | low |
| Plant Safe | mostly |
| Aquarium Position | Mid |
Behavior & Activity
Active robust mid-level swimmer; fast cruising with confident open-water movement; can be boisterous
Speed: 50/100Aggression: 3/10diurnalSchooling (6+)
Breeding
Easy; egg scatterer
Common Diseases
💊 Very hardy
Expert Notes
Hardy but may eat plants