The scientific name for a Angelfish , is Pterophyllum scalare, as it is a selectively bred colour variation of the common Angelfish. The common Angelfish, Pterophyllum scalare, is the most common of the three Angelfish species and is the basis for many popular ornamental varieties like the Koi Angelfish, which is a coloration rather than a distinct species. Ideal Tank Use a 120-liter tank for sufficient swimming space. Add plants, rocks, and driftwood for hiding spots. Maintain a pH of 6.5–7.5 and hard water. Ensure moderate water flow with a reliable filter. Compatible Tank Mates Tetras Corydoras catfish Gouramis Non-aggressive barbs Diet and Feeding The Angelfish thrives on a diverse carnivorous diet. Provide premium flakes along with live and frozen options such as brine shrimp. Incorporate some plant-based foods as well. Feed it twice a day in controlled amounts. Given its assertive feeding behavior, be sure that other fish receive adequate nutrition. Maintaining a well-rounded diet is essential for its health. Fun Facts Species – Pterophyllum scalare Common Name – Red Devil Angelfish Origin – South America Diet – Carnivorous PH Range – 6.5 – 7.5 Water Type – Hard Temperature – Tropical 26°C – 28°C Breed Type – Egg Layer Current Size – 3-4cm Maximum Size – approximately 15cm Sex – Un-sexed Tank Size – Minimum 120 liters