Sapphire Blue Angelfish 3–3.5cm – Pterophyllum scalare

The Sapphire Blue Angelfish is a beautiful selectively bred freshwater Angelfish, admired for its shimmering blue-silver colouration, elegant body shape and graceful swimming style. This attractive variety brings a distinctive appearance to planted tropical aquariums and makes an impressive centrepiece as it matures.

At approximately 3–3.5cm, these juvenile Sapphire Blue Angelfish are still developing their adult colouration and finnage. Their reflective scales can display attractive blue tones under suitable aquarium lighting, while their classic Angelfish shape becomes increasingly pronounced as they grow.

Like other freshwater Angelfish, Sapphire Blues are intelligent, inquisitive cichlids that appreciate a spacious, well-maintained aquarium with suitable companions and plenty of vertical swimming room.

Sapphire Blue Angelfish at a Glance

• Scientific name: Pterophyllum scalare
• Common name: Sapphire Blue Angelfish
• Sale size: Approximately 3–3.5cm
• Adult size: Up to approximately 15cm body length, with a greater overall height including fins
• Origin: Captive-bred variety of a South American species
• Temperament: Generally peaceful for a cichlid, but territorial when breeding
• Temperature: 25–28°C
• pH: 6.0–7.4
• Water hardness: Soft to moderately hard
• Minimum aquarium: Approximately 200 litres for an adult pair, with additional space for groups
• Diet: Omnivore
• Care level: Moderate
• Lifespan: Commonly 8–10 years with appropriate care

Beautiful Sapphire Blue Colouration

The Sapphire Blue Angelfish is particularly appealing for its reflective scales, which can produce subtle blue and silver highlights as the fish moves through the aquarium. Depending on its breeding line, individuals may also display darker vertical markings.

Young Angelfish may show less developed colouration than mature specimens. As they grow, their body shape, fins and reflective colouring become more noticeable.

Individual colour patterns and intensity can vary naturally, making each fish slightly different.

Aquarium Setup and Care

Sapphire Blue Angelfish thrive in established tropical freshwater aquariums with stable water conditions, reliable filtration and plenty of swimming space.

Although these fish are sold at approximately 3–3.5cm, it is important to plan for their adult size. Mature Angelfish develop tall bodies and extended dorsal and anal fins, so a spacious aquarium with good vertical clearance is essential.

A planted aquarium with broad-leaved plants, driftwood and open swimming areas provides an excellent environment. Taller plants help create natural shelter, while open areas allow Angelfish to swim comfortably.

Gentle to moderate water movement is preferred. Maintain stable water conditions, perform regular partial water changes and avoid sudden fluctuations in temperature or water chemistry.

Explore our aquariums and fish tanks and live aquarium plants for suitable aquarium setups.

Temperament and Compatible Tank Mates

Sapphire Blue Angelfish are generally peaceful compared with many other cichlids, making them suitable for carefully selected tropical community aquariums.

However, their temperament changes as they mature. Adult Angelfish may establish territories, particularly when forming breeding pairs or protecting eggs.

Suitable companions can include peaceful, appropriately sized tetras, compatible Corydoras catfish and other tropical fish that prefer similar water conditions.

Avoid known fin-nipping species such as Tiger Barbs, as well as aggressive fish that may intimidate or injure Angelfish. Very small fish and shrimp may be viewed as food by mature Angelfish.

When keeping multiple Angelfish, provide enough space and visual barriers to reduce territorial disputes.

Browse our live freshwater aquarium fish range for more suitable tropical aquarium species.

Feeding Sapphire Blue Angelfish

Sapphire Blue Angelfish are omnivores that readily accept a varied diet. A high-quality tropical flake or appropriately sized pellet food makes an excellent daily staple.

Supplement their diet with suitable frozen or live foods, including brine shrimp, daphnia and bloodworms. Juvenile Angelfish benefit from appropriately sized foods and regular small meals to support healthy growth.

A varied, balanced diet helps maintain good condition, healthy fin development and natural colouration.

Frequently Asked Questions

How big do Sapphire Blue Angelfish grow?

Sapphire Blue Angelfish can reach approximately 15cm in body length as adults. Their dorsal and anal fins increase their overall height considerably, making a tall aquarium important.

Will Sapphire Blue Angelfish become bluer as they grow?

Juvenile Sapphire Blue Angelfish may develop stronger reflective blue colouring as they mature. Colour intensity varies between individuals and breeding lines and can also be influenced by lighting, diet and general condition.

Are Sapphire Blue Angelfish peaceful?

They are generally peaceful for a cichlid but can become territorial when forming breeding pairs. Suitable tank mates and adequate aquarium space help reduce aggression.

Can Sapphire Blue Angelfish live with other tropical fish?

Yes. They can live with many peaceful, appropriately sized tropical fish. Avoid aggressive fin-nippers and very small fish that may be eaten when the Angelfish mature.

Are Sapphire Blue Angelfish suitable for planted aquariums?

Yes. Sapphire Blue Angelfish are well suited to planted aquariums. Taller plants, broad leaves and driftwood provide shelter and help create a natural-looking environment.

What should I feed juvenile Sapphire Blue Angelfish?

Juveniles can be fed quality crushed tropical flakes, appropriately sized pellets and small frozen or live foods such as brine shrimp. Feed small portions and remove uneaten food to help maintain water quality.

Do Sapphire Blue Angelfish need a heater?

Yes. A reliable aquarium heater is recommended to maintain a stable water temperature of approximately 25–28°C.

Buy Sapphire Blue Angelfish Online in Australia

Add a touch of elegance and shimmering colour to your freshwater aquarium with Sapphire Blue Angelfish 3–3.5cm from Aquaholics Online.

Based on the Sunshine Coast, Queensland, Aquaholics Online supplies quality freshwater aquarium fish, plants and accessories to Australian fishkeepers, with live fish shipping available to eligible locations.

Our Arrive Alive Guarantee

We take every reasonable precaution to ensure your fish arrive safely.

If a fish arrives deceased, please contact us within 2 hours of delivery with your order details and clear photos of the affected fish.

Once your claim has been verified, an applicable refund or store credit will be provided in accordance with our Arrive Alive Guarantee and your rights under Australian Consumer Law.

Explore our full range of live aquarium fish and discover your next aquarium addition.