The Freshwater Angelfish is the undisputed royalty of the Amazon basin. Known for its majestic, slow-moving glide and stunning laterally compressed, arrowhead-shaped silhouette, a mature specimen can easily reach up to 6 inches (15 cm) in height. They are semi-aggressive yet social community fish that establish a fascinating group hierarchy and form strictly monogamous, lifelong breeding pairs upon reaching maturity. This profile perfectly applies to all commercial color morphs (including Koi, Marble, Black, Zebra, Albino, and Gold variants).

Temperature: 24°C - 29°C (75°F - 84°F). 26°C is highly recommended for optimal health.
pH: 6.0 - 7.5 (Thrives best in slightly acidic to neutral water signature).
Hardness (GH): 3 - 12 dGH (Soft to moderately soft water preferred).

Minimum Tank Size: Requires a minimum of 30 gallons (approx. 110-120 liters) for a single established pair. For a community or school, a 55-gallon tank or larger is highly recommended. Because of their vertical shape, the aquarium must be at least 20 inches (50 cm) tall to prevent fin cramping and stunted growth.
Compatibility: Excellent candidates for spacious community tanks alongside peaceful, medium-sized tankmates such as Corydoras, Ancistrus catfish, Rummy-nose Tetras, and Black Skirt Tetras.
WARNING: Avoid housing with:
- Tiny nano fish (like Neon Tetras or Micro-rasboras); mature Angelfish are opportunistic predators and will actively hunt smaller fish as live food.
- Aggressive fin-nipping species (like Tiger Barbs), which will persistently shred the Angelfish's delicate, trailing fins, causing stress and secondary infections.

Omnivorous with a strong carnivorous preference. They will greedily accept premium quality dry flakes and floating pellets. However, to unlock their best color, vitality, and breeding potential, it is essential to supplement their diet with live or frozen foods such as Brine Shrimp, Bloodworms, Daphnia, or Tubifex.

Pro Tip 1: Tall Tanks & Broad-Leafed Plants: Advise your customers to decorate their aquariums with tall, vertical hardscapes and broad-leafed live plants (such as Echinodorus / Amazon Swords). Angelfish instinctively use these structures for cover and utilize the large leaves as the perfect natural platform to lay and protect their eggs.
Pro Tip 2: Moderate Water Flow: Due to their large fin surface area and thin profiles, strong currents will quickly exhaust and stress them out. Recommend positioning filter outlets to ensure a gentle, low-turbulence flow pattern throughout the water column.
Pro Tip 3: Upsell in Juvenile Groups: A brilliant e-commerce sales tip is to promote buying Angelfish in groups of 4 to 6 juveniles. Because it is visually impossible to sex them at a young age, purchasing a small group is the absolute best way for hobbyists to naturally form compatible breeding pairs over time.

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