Blue Sapphire Angel Fish (Pterophyllum scalare)

• Scientific Name: Pterophyllum scalare (color morph)
• Appearance: Vibrant blue body with shimmering metallic tones; long, flowing fins.
• Origin: Amazon Basin (freshwater variant) or Indo-Pacific (marine species with similar name).
• Size: Up to 6 inches in body length; height including fins can reach 8 inches. 
• Lifespan: Typically 8–12 years with proper care. 

Tank Requirements

• Tank Size: Minimum 30 gallons for one; 55 gallons or more for a pair or community setup. 
• Water Parameters:
  • Temperature: 75–82°F (24–28°C)
  • pH: 6.5–7.5
  • Hardness: Soft to moderately hard (3–8 dGH)
• Setup: Tall tank with dense planting (Amazon swords, Anubias), driftwood, and hiding spots to mimic natural habitat. 
• Filtration: Moderate flow; avoid strong currents.

Diet

• Staple Foods: High-quality flakes or pellets.
• Protein Treats: Brine shrimp, bloodworms, daphnia (live or frozen).
• Vegetable Matter: Occasional blanched spinach or zucchini.
• Feeding Frequency: Adults 2–3 times daily; juveniles 3–4 times. 

Behavior & Compatibility

• Temperament: Semi-peaceful but territorial during breeding.
• Ideal Tank Mates: Larger tetras (black skirt, bleeding heart), gouramis, rainbowfish, Corydoras catfish, plecos.
• Avoid: Fin-nippers (e.g., tiger barbs), very small fish (neons, guppies), aggressive cichlids. 

Breeding

• Conditions: Warm water (78–80°F), slightly acidic pH (6.5–6.9), tall tank with flat surfaces for egg-laying.
• Behavior: Pairs clean a leaf or flat surface and lay eggs; parents guard fry aggressively. 

Special Notes

• Blue Sapphire Angelfish are a selectively bred color morph, not a separate species. Their striking blue sheen depends on genetics and proper lighting.