The Santa Isabel angelfish is a specific type of freshwater angelfish from the Santa Isabel region in the Rio Negro basin, known for its distinctive red markings on its back and fins. These are a larger variety of angelfish with a long lifespan and require specific care, including a large tank with high water quality. They need a low pH and a high temperature, and while they can eat flake food, they may be territorial, so tank mates should be chosen carefully.