Description
The Angelfish Red Cap Diamond is a stunning freshwater angelfish variety admired for its brilliant white-silver body and vibrant red-orange crown. Its elegant finnage and shimmering diamond-like scales make it a true centrepiece fish for tropical aquariums. Peaceful yet graceful in appearance, the Red Cap Diamond Angelfish is highly popular among aquarists seeking a premium display fish for planted community aquariums. With proper care and stable water conditions, this angelfish develops exceptional colouration and impressive finnage as it matures.
Features of Angelfish Red Cap Diamond
• Bright red-orange cap with shimmering silver-white body
• Elegant long fins and graceful swimming behaviour
• Grows to approximately 15 cm in height
• Ideal centrepiece fish for tropical aquariums
• Peaceful temperament with mild territorial behaviour
• Suitable for intermediate and experienced aquarists
• Eye-catching diamond-scale appearance under aquarium lighting
The best aquarium size for Angelfish Red Cap Diamond
A minimum aquarium size of 150 litres is recommended for Angelfish Red Cap Diamond due to their tall body shape and active swimming habits. Taller aquariums are preferred to accommodate their extended finnage and vertical movement. Maintain water temperatures between 25–30°C with a pH range of 6.5–7.5. Stable water quality and regular maintenance are essential for long-term health and colour development.
Tank Mate Compatibility for Angelfish Red Cap Diamond
Angelfish Red Cap Diamond are generally peaceful and compatible with a range of medium-sized tropical fish. Suitable tank mates include:
• Rummy Nose Tetra
• Corydoras Catfish
• German Blue Ram
• Pearl Gourami
• Bristlenose Catfish
Avoid fin-nipping species and very small fish that may be viewed as food once the angelfish reaches maturity.
Diet for Angelfish Red Cap Diamond
Angelfish Red Cap Diamond are omnivorous and require a varied diet for optimal health and vibrant coloration. High-quality tropical pellets or flakes should form the staple diet, supplemented with frozen bloodworms, brine shrimp, blackworms, and daphnia. Occasional vegetable-based foods can also support balanced nutrition. Feed small portions 1–2 times daily while avoiding overfeeding to maintain excellent water quality.
Aquarium Setup Angelfish Red Cap Diamond
Aquarium Filtration
Efficient biological filtration with gentle to moderate water flow is ideal for maintaining stable and clean water conditions.
Aquarium Plants
Live plants such as Amazon Sword, Vallisneria, Java Fern, and Anubias help replicate the angelfish’s natural environment and provide shelter.
Aquarium Lighting
Moderate LED lighting enhances the fish’s metallic sheen while supporting healthy plant growth.
Aquarium Heating
Use a quality aquarium heater to maintain stable water temperatures between 25–30°C.
Aquarium Substrate
Fine gravel or planted aquarium substrate works well in both natural and aquascaped aquariums.
Aquarium Decorations
Include driftwood, tall plants, and open swimming areas to provide a balanced environment that encourages natural angelfish behaviour.
