The Angelfish (Pterophyllum scalare) is a popular and elegant freshwater fish native to the Amazon River basin. Known for its triangular shape and long, flowing fins, angelfish thrive in aquariums of 20 gallons with warm temperatures (76–82°F) and slightly acidic to neutral water. These peaceful yet occasionally territorial fish do well in community tanks with similar-sized species, though they may nip at smaller fish or invertebrates. Angelfish are omnivorous, requiring a balanced diet of high-

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The Altum Angelfish 👑 The Majesty of the Amazon! By 聪头 (小红书) The Pterophyllum altum, often called the Altum Angelfish, is the tallest and most elegant of the freshwater angelfish species. Native to the upper Orinoco and Atabapo Rivers in Colombia and Venezuela, this stunning cichlid thrives in warm, soft, acidic waters rich in vegetation. Its scientific name Pterophyllum means "winged leaf" in Greek, a nod to its tall, triangular fins that resemble a leaf drifting through the water. Altum is La