Freshwater Angelfish Care Guide
Pterophyllum scalare · Freshwater Fish
What Freshwater Angelfish look like
Pterophyllum scalare, commonly known as the Freshwater Angelfish, exhibits a highly laterally compressed and deep-bodied morphology, reaching a maximum adult size of approximately 6 inches, although some specimens may grow up to 8 inches under optimal conditions. This species displays pronounced sexual dimorphism; males typically possess more elongated dorsal and anal fins, while females exhibit a rounder body shape, particularly during breeding periods. The coloration is predominantly silver with distinct vertical black stripes, which serve as a form of disruptive coloration against the dappled light of their natural habitat. Notable morphological features include a well-developed adipose fin and a unique lateral line system that aids in navigation and prey detection in their aquatic environment. Defensive adaptations include their ability to blend into the complex structures of their habitat, utilizing their body shape to evade predators.
Behavior & temperament
Freshwater Angelfish are primarily social and can exhibit a hierarchical structure, especially in breeding pairs. They are often found dwelling in the mid to upper levels of the water column, displaying a semi-pelagic behavior. While they can be territorial, particularly during breeding, they are generally peaceful and can coexist with other species if provided with adequate space and hiding spots. Their breeding behavior involves the laying of eggs on flat surfaces, which they guard fiercely, demonstrating parental care. The temperament of Pterophyllum scalare can vary; they may show aggression towards smaller fish, particularly during spawning, but are otherwise known to be relatively calm.
Diet & feeding
In the wild, Freshwater Angelfish are carnivorous, primarily feeding on small invertebrates and zooplankton. In captivity, they require a varied diet that includes high-quality flakes, pellets, and live or frozen foods such as brine shrimp and bloodworms to ensure optimal health and coloration.
Behind the name
Pterophyllum (wing leaf); scalare (ladder-like).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Freshwater Angelfish?
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