The angelfish (Pterophyllum scalare) is one of the most captivating cichlid species of the Amazon basin, admired for its graceful, laterally compressed body shape and its remarkably advanced social and reproductive behavior. In captivity, angelfish thrive in environments that mimic the quiet, plant-rich floodplain waters of their natural habitat. Soft to slightly acidic water, stable temperatures between 26 and 29 °C (79 to 84 °F), and vertical structures such as tall plants, driftwood and dimly