RED DEVIL ANGELFISH (Pterophyllum scalare) for Sale in Canada

The Red Devil Angelfish (Pterophyllum scalare) is an eye-catching ornamental freshwater fish prized for its distinctive red-toned coloration, elegant body shape, and flowing fins. Combining the classic angelfish silhouette with a bold colour variety, this fish can become a beautiful centrepiece in a carefully maintained tropical aquarium.

Available through Monster Aquarium Canada, the Red Devil Angelfish is an appealing option for aquarists who enjoy selectively bred angelfish varieties and want something different from the traditional silver or marble forms. With stable water conditions, a nutritious diet, and suitable tank mates, this angelfish can thrive in a well-planned freshwater aquarium.

Note: “Red Devil Angelfish” is an aquarium-trade name rather than a universally standardized scientific variety. Colour intensity and pattern may vary between individual fish.

Species Overview

Scientific Classification

• Scientific Name: Pterophyllum scalare

• Common Names: Red Devil Angelfish, Red Devil Angel, Red-Coloured Angelfish

• Family: Cichlidae

• Species Origin: South America

• Natural Habitat of the Species: Slow-moving rivers, flooded forests, and vegetated freshwater waterways

• Species Type: Tropical freshwater cichlid

• Adult Body Length: Approximately 6 inches, with greater overall height when fins are extended

• Temperament: Generally peaceful to semi-aggressive

• Diet: Omnivorous

• Care Level: Moderate

• Recommended Setup: Mature tropical freshwater aquarium

The Red Devil Angelfish belongs to Pterophyllum scalare, a South American cichlid species that has been selectively bred into many ornamental colour varieties. Its care requirements are broadly similar to those of other freshwater angelfish.

Appearance and Coloration

Distinctive Red Tones

The Red Devil Angelfish is valued for its red, orange-red, or reddish-brown tones, depending on the particular strain and specimen. Some individuals may display a stronger red appearance, while others have more subtle colour across the body and fins.

Its laterally compressed body, elongated dorsal and anal fins, and trailing pelvic fins create the graceful triangular profile associated with angelfish.

Colour Development

Colouration can change as the fish matures. Genetics, diet, lighting, stress, and general health all influence how its colours appear.

Young specimens may not show the same intensity as mature fish. Individual patterns can vary, so a particular shade or marking should not be guaranteed unless it has been confirmed for the actual fish being sold.

Why Choose a Red Devil Angelfish?

1. Bold Ornamental Colour

Red-toned angelfish add a warm visual accent to planted aquariums and natural freshwater displays. Their colour can contrast beautifully with green aquatic plants and darker backgrounds.

2. Elegant Swimming Behaviour

Angelfish glide through the aquarium using their long fins and distinctive body shape. They commonly occupy the middle and upper areas of the water column, making them noticeable without needing an elaborate aquascape.

3. Selectively Bred Variety

For collectors of ornamental freshwater fish, the Red Devil Angelfish offers an alternative to familiar silver, gold, marble, and blue-toned varieties.

4. Suitable for a Planned Community Aquarium

Red Devil Angelfish can live with selected community fish when their adult size, temperament, and feeding behaviour are considered. Careful stocking is important because their behaviour can become more territorial as they mature.

Aquarium Setup and Tank Requirements

Recommended Aquarium Size

A suitable aquarium should provide enough vertical space for the angelfish’s tall body and extended fins.

• Single fish: Around 30 gallons may be workable, with larger aquariums preferable for stability.

• Group or community setup: Around 55 gallons or more is a reasonable starting point, depending on the number and type of fish.

• Breeding pair: Provide adequate room for territorial behaviour and consider a separate breeding aquarium if necessary.

Aquarium dimensions matter as much as total volume. A tall tank is particularly useful for angelfish.

Substrate and Decorations

Fine sand or smooth gravel makes a suitable substrate. Add driftwood, smooth rocks, and aquatic plants to create shelter while preserving open swimming areas.

Suitable plants may include Java fern, Anubias, and Amazon swords. Arrange décor securely and avoid sharp edges that could damage delicate fins.

Filtration and Water Quality

Use reliable filtration to process fish waste while avoiding excessively strong currents. Angelfish generally appreciate calm to moderate water movement.

A fully cycled aquarium, regular partial water changes, and routine water testing are essential for long-term health.

Water Parameters

Consistency is important. Acclimate new fish gradually and avoid sudden changes in temperature or water chemistry.

Diet and Feeding

What Do Red Devil Angelfish Eat?

Red Devil Angelfish are omnivorous and benefit from a varied, balanced diet. Suitable foods include:

• High-quality tropical flakes

• Small angelfish or cichlid pellets

• Frozen brine shrimp

• Mysis shrimp

• Daphnia

• Other suitable prepared or frozen aquarium foods

Feeding Routine

Feed small portions once or twice daily, adjusting the amount to the fish’s size and appetite. Juveniles may benefit from more frequent small meals if the aquarium can maintain excellent water quality.

Remove uneaten food promptly. Avoid overfeeding, which can increase waste and contribute to poor water conditions. A complete, varied diet is more important than relying on a single food to intensify colour.

Behaviour and Temperament

General Personality

Angelfish are often curious and observant. They may learn feeding routines and become familiar with activity outside the aquarium.

Although usually manageable in a suitable community, they are still cichlids. Adults may defend territories, compete for food, or become aggressive during pairing and spawning.

Social Behaviour

Some keepers maintain angelfish singly, as compatible pairs, or in groups. Groups need enough space and careful monitoring because dominant individuals may bully others.

If one fish is repeatedly chased, has damaged fins, or cannot feed normally, separate the fish or rearrange the aquarium to reduce conflict.

Compatible Tank Mates

Potential Companions

Choose peaceful fish that tolerate similar tropical water conditions and are large enough to avoid being swallowed. Depending on aquarium dimensions and individual temperament, possible options include:

• Corydoras catfish

• Appropriately sized, peaceful tetras

• Compatible South American catfish

• Other calm community fish with suitable adult sizes

Compatibility is never guaranteed. Monitor all new combinations carefully.

Fish to Avoid

Avoid tiny fish that may become prey, aggressive species that may injure the angelfish, and persistent fin nippers that may damage its long fins.

Do not assume all angelfish will get along with one another. Territorial disputes can develop as fish mature or form pairs.

Growth and Long-Term Care

Pterophyllum scalare commonly reaches approximately 6 inches in body length, with its extended fins making the overall fish taller. Under suitable conditions, angelfish can live for several years, and some may reach 8–10 years.

For healthy development:

• Maintain a stable tropical temperature.

• Keep ammonia and nitrite at zero.

• Provide a varied diet.

• Maintain enough vertical swimming space.

• Monitor fin condition, appetite, and behaviour.

• Avoid overcrowding and stressful tank-mate combinations.

Male and Female Differences

Sexing juvenile angelfish can be difficult because males and females often look alike. Differences in forehead shape are not reliable enough to determine sex with certainty.

When mature fish are preparing to spawn, their breeding tubes may provide more useful clues. Confirming sex is generally easier when the fish are mature and displaying breeding behaviour.

Breeding Red Devil Angelfish

Angelfish may form pairs and lay eggs on broad plant leaves, vertical surfaces, or other suitable spawning sites. Parents may guard the eggs and fry, but breeding success varies between individuals.

A breeding setup should provide stable water quality, suitable spawning surfaces, and enough space to minimize stress. If fry are to be raised, prepare appropriate small foods and have a plan for managing parental aggression.

Red Devil Angelfish for Sale in Canada

Monster Aquarium Canada offers ornamental freshwater fish for aquarists looking to build colourful and distinctive tropical aquariums. The Red Devil Angelfish (Pterophyllum scalare) is an attractive option for hobbyists seeking a red-toned variation of the classic freshwater angelfish.

Before ordering, confirm current availability, the fish’s size and coloration, shipping eligibility, and delivery arrangements for your Canadian address. Trade names and colour intensity can vary, and livestock inventory may change.

Prepare a mature, cycled aquarium before introducing your fish, and choose tank mates with its adult size and behaviour in mind.

Frequently Asked Questions

1. What is a Red Devil Angelfish?

It is an aquarium-trade colour variety associated with Pterophyllum scalare, the South American freshwater angelfish. Its red-toned appearance may vary by strain and individual fish.

2. How big does a Red Devil Angelfish get?

It commonly reaches around 6 inches in body length, with a greater overall height when its dorsal and anal fins are extended.

3. What tank size does a Red Devil Angelfish need?

A single fish may be maintained in an aquarium around 30 gallons, while a group or community setup generally needs a larger tank, often 55 gallons or more. A tall aquarium is particularly beneficial.

4. Can Red Devil Angelfish live with other fish?

Yes, with carefully selected companions. Avoid very small fish, aggressive species, and persistent fin nippers. Monitor behaviour as the angelfish grows.

5. What do Red Devil Angelfish eat?

They eat quality tropical flakes, small pellets, and suitable frozen foods such as brine shrimp, mysis shrimp, and Daphnia. A varied diet and good water quality support healthy development.