Bloodfin Tetra
Scientific Name: Aphyocharax anisitsi
Common Names: Bloodfin Tetra, Redfin Tetra
Family: Characidae
Origin: South America (Paraná and Paraguay River basins in Argentina, Brazil, and Paraguay; slow-moving rivers, tributaries)
Size: 4–5.5 cm (1.6–2.2 inches); females slightly larger and rounder
Lifespan: 3–5 years with proper care
Behavior: Peaceful, active, and schooling. Thrives in groups of 6–12 to reduce shyness and enhance schooling behavior.
Temperature: 70–80°F (21–27°C); avoid prolonged exposure above 82°F.
pH: 6.0–7.5 (slightly acidic to neutral).
Compatible with peaceful nano fish like rasboras, Red Cherry Barbs, Gold Laser Corydoras, or small cichlids. Safe with Red Cherry Shrimp in larger, planted tanks, though shrimplets may be eaten.