# Mixed Angelfish (*Pterophyllum scalare*) Native to the slow-moving rivers and floodplain forests of South America, angelfish have an unmistakable silhouette?tall, compressed bodies that slip sideways through vegetation with remarkable grace. In the aquarium, they spend much of their time moving vertically through the water column, investigating plants and d‚cor with a methodical curiosity. Their behavior shifts noticeably as they mature; young fish tend to school loosely together, but adults often establish territories and become visibly protective of preferred spots. Watching an established angelfish navigate its environment reveals an intelligent fish with genuine personality?they recognize feeding routines, respond to movement outside the tank, and show clear preferences for certain plants or hiding spots. The appeal of keeping angelfish lies partly in their dynamic social structure. They'll coexist peacefully with mid-sized community fish like tetras, corydoras catfish, and peaceful gouramis, though they may nip at smaller fish they perceive as food or threats. Planted tanks suit them best; they navigate live plants naturally and use them as visual breaks that reduce stress and aggression between individuals. Tall, densely planted setups encourage their most interesting behaviors?watching them weave between stems and roots is far more engaging than observing them in bare tanks. They're also surprisingly long-lived for aquarium fish, with proper care allowing them to thrive for a decade or more. Success with angelfish comes down to water stability and space rather than specialized equipment. They prefer warm, slightly acidic conditions but adapt well to most established community tank parameters. A 20-gallon tank works as a minimum, though larger volumes give more flexibility for reducing territorial disputes. Feed a varied diet of quality flake food, micro pellets, and occasional live or frozen foods?they'll eagerly accept bloodworms and brine shrimp, which brings out more vibrant coloration. Their semi-aggressive streak is often exaggerated; they're typically contentious only with each other or genuinely tiny tank mates, making them reliable residents in well-planned community setups.