Phantom Tetra

Phantom Tetras are elegant and peaceful freshwater fish available in popular varieties like the Black Phantom and Red Phantom. They are known for their laterally compressed bodies, subtle translucent fins, and a distinctive “phantom” spot behind the gills. Males often display elongated fins and more intense coloration, especially during display. Native to South American rivers, they are ideal for planted community aquariums.

Phantom Tetra (Hyphessobrycon megalopterus / Hyphessobrycon sweglesi) – Complete Care Guide Description Phantom Tetras are elegant and peaceful freshwater fish available in popular varieties like the Black Phantom and Red Phantom. They are known for their laterally compressed bodies, subtle translucent fins, and a distinctive “phantom” spot behind the gills. Males often display elongated fins and more intense coloration, especially during display. Native to South American rivers, they are ideal for planted community aquariums. Water Parameters Soft, slightly acidic to neutral water is ideal: Temperature: 23–28°C (73–82°F) pH: 6.0–7.5 Hardness: 2–12 dGH Tank Size: Minimum 60 liters (15 gallons) Water Flow: Gentle to moderate Water Changes: 20–30% weekly Care & Maintenance Phantom Tetras are hardy but thrive with proper care: Keep in groups of at least 6–8 to reduce stress and encourage natural behavior. Provide a planted tank with open swimming areas. Use soft lighting and consider darker substrate for better coloration. Maintain stable water conditions and good filtration. Feed a varied diet: high-quality flakes, micro pellets, and occasional live/frozen foods (daphnia, brine shrimp). Avoid strong currents. Behaviour & Temperament Peaceful and social schooling fish. Males may engage in harmless display sparring. Active swimmers, usually occupying mid-water levels. Non-aggressive toward other species. Show best colors and behavior in groups. Compatibility Excellent for peaceful community aquariums. Compatible with a wide range of small to medium peaceful fish. Avoid aggressive or overly active tank mates. Suitable Tank Mates Other small tetras (Neon, Cardinal, Ember) Rasboras Corydoras catfish Dwarf cichlids (Apistogramma, Rams) Small gouramis Pencilfish Tank Mates to Avoid Large aggressive cichlids Fin-nipping fish Large predatory species Very boisterous or hyperactive fish Fish with very different water parameter needs Pro Tips Keep in larger groups for natural schooling and confidence. Use plants and driftwood to mimic natural habitat. Maintain low to moderate lighting to enhance colors. Feed a varied diet for optimal health and coloration. Perform regular water changes to maintain stability. Ideal for both beginners and experienced aquarists. Summary Phantom Tetras are peaceful, attractive, and easy-to-care-for fish that add subtle beauty and activity to community aquariums. With proper care, stable water conditions, and group living, they thrive and create a lively, natural display.