Freshwater Angelfish Pterophyllum scalare Description Freshwater Angelfish (Pterophyllum scalare) are one of the most iconic and recognizable tropical fish in the aquarium hobby. Known for their tall, triangular bodies and long flowing fins, Angelfish bring elegance and movement to any aquarium. They come in a wide range of colors and patterns, including silver, marble, koi, black, gold, and veil varieties. Native to the slow-moving waters of the Amazon Basin, Angelfish thrive in calm, well-decorated aquariums with vertical structures such as plants and driftwood. Their graceful swimming style and semi-peaceful temperament make them a popular centerpiece fish for community setups. Care Guide Adult Size Up to 6 inches (15 cm) body size 8–10 inches (20–25 cm) tall including fins Tank Size Minimum 30 gallons for a small group 55 gallons or larger recommended for adults Temperament Semi-peaceful Generally calm but may become territorial as they mature or during breeding Can eat very small fish that fit in their mouths Tank Setup Tall aquarium preferred due to body shape Live or artificial plants, driftwood, and vertical décor Gentle water flow with strong filtration Stable, warm water conditions are important Water Parameters Temperature: 76–82°F (24–28°C) pH: 6.0–7.5 Soft to moderately hard water Diet Omnivorous High-quality flakes, pellets, and frozen foods Bloodworms, brine shrimp, and mysis shrimp help enhance growth and color Feed small portions 1–2 times daily Compatibility Peaceful to semi-peaceful community fish Larger tetras, gouramis, peaceful catfish, and dwarf cichlids Avoid fin-nippers and very aggressive species Notes Best kept in groups when young; pairs often form naturally May spawn on flat surfaces such as leaves or décor Provide warm, clean water to encourage full finnage and strong growth