Serpae Tetra
Scientific Name: Hyphessobrycon eques
Common Names: Serpae Tetra, Red Serpae Tetra, Jewel Tetra
Family: Characidae
Origin: Amazon River basin (Brazil, Bolivia, Paraguay, Argentina; slow-moving rivers, floodplains)
Size: 3.5–4.5 cm (1.4–1.8 inches); females slightly larger and rounder
Lifespan: 3–5 years with proper care
Temperature: 72–82°F (22–28°C); avoid prolonged exposure above 82°F.
pH: 6.0–7.5 (slightly acidic to neutral).