Discus Golden Crystal Symphysodon aequifasciatus 4–5″ (2404) for Sale in Canada

The Discus Golden Crystal (Symphysodon aequifasciatus) is a stunning ornamental freshwater fish appreciated for its warm golden colouration, elegant circular body, and graceful swimming behaviour. This 4–5-inch specimen, listing code 2404, is an excellent option for discus enthusiasts seeking a larger, more developed fish for a premium tropical aquarium.

The Golden Crystal discus is valued for its golden or yellow-toned appearance, which can create a beautiful focal point against dark aquarium backgrounds, natural driftwood, and green aquatic plants. Its rounded body and flowing fins give it the distinctive elegance that makes discus one of the most admired freshwater aquarium fish.

At Monster Aquarium Canada, we help Canadian fish keepers discover specialty freshwater fish for their collections. Whether you are expanding an established discus aquarium or adding a golden colour variety to a carefully maintained tropical display, providing stable water conditions and appropriate nutrition is essential for long-term success.

Discus Golden Crystal 4–5″ Overview

Appearance and Colouration

The Discus Golden Crystal is an ornamental discus variety recognized for its golden or yellow-toned colour presentation. Depending on the individual fish and breeding line, its colour may range from soft gold and creamy yellow to richer golden shades.

Its laterally compressed body, rounded profile, and extended dorsal and anal fins create the classic discus silhouette. The golden tones can stand out beautifully against darker backgrounds and natural aquascapes.

At 4–5 inches, this specimen is more developed than a small juvenile but may still grow further. Colour intensity and pattern can vary with genetics, age, lighting, diet, health, and stress levels.

Golden Crystal is an ornamental trade name rather than a separate scientific species, so individual fish may differ in their exact shade and markings.

Product Details

• Common name: Discus Golden Crystal

• Scientific name: Symphysodon aequifasciatus

• Product size: Approximately 4–5 inches

• Listing code: 2404

• Fish type: Freshwater tropical cichlid

• Colour variety: Golden Crystal ornamental discus

• Temperament: Generally peaceful, with social hierarchy

• Care level: Intermediate to advanced

• Diet: Omnivorous

• Ideal environment: Mature, stable, warm freshwater aquarium

Aquarium Setup for Discus Golden Crystal

Tank Size and Environment

Discus need a spacious, clean aquarium with reliable filtration and stable water conditions. Although a 4–5-inch fish is already a substantial specimen, plan the aquarium around its adult size and long-term housing requirements.

For a group of discus, approximately 75 gallons is a practical starting point, with larger aquariums generally preferable for larger groups and growing fish. Tank size should account for the number of fish, stocking density, filtration capacity, and maintenance routine.

Provide open swimming space, smooth décor, and aquarium-safe plants if desired. Driftwood and a darker background can complement the golden colouration of this variety. Avoid sharp decorations that could damage fins or injure the fish.

A fully cycled aquarium is essential. Discus should not be introduced into a newly established tank with unstable biological filtration.

Recommended Water Parameters

• Temperature: 82–86°F (28–30°C)

• pH: Approximately 6.0–7.0, depending on established conditions

• Ammonia: 0 ppm

• Nitrite: 0 ppm

• Nitrate: Keep low through regular maintenance

• Filtration: Reliable mechanical and biological filtration

• Water movement: Gentle to moderate

Stability is especially important for discus. Use a dependable heater and thermometer, test water regularly, and avoid sudden changes in temperature or chemistry.

Perform regular water changes using appropriately conditioned water. Match replacement water to the aquarium’s temperature and general chemistry, and adjust the maintenance schedule according to stocking levels, feeding, filtration, and water-test results.

Feeding Discus Golden Crystal 4–5″

Recommended Foods for Healthy Growth

A balanced, varied diet supports healthy body condition, normal behaviour, and continued development. Suitable foods include:

• High-quality discus pellets or granules

• Frozen brine shrimp

• Frozen mysis shrimp

• Appropriately sourced frozen bloodworms as part of a varied diet

• Formulated discus foods with balanced nutrition

Offer manageable portions that the fish can consume promptly. Feed according to appetite and condition, and remove uneaten food to prevent waste accumulation.

Avoid relying on a single food type. A varied diet and excellent water quality are more useful for long-term health than depending on colour-enhancing products alone.

Observe the fish during feeding, particularly after introduction. A healthy, settled discus should show interest in food and maintain a normal body condition.

Temperament and Compatible Tank Mates

Can Golden Crystal Discus Live with Other Fish?

Discus are generally peaceful, but they may establish a social hierarchy, particularly when kept in groups. Choose tank mates that tolerate warm water, calm surroundings, and consistently good water quality.

Carefully selected warm-water community fish may be suitable when their adult size, temperament, and feeding habits are compatible. Avoid aggressive species, persistent fin-nippers, and highly competitive feeders that may stress discus or prevent them from eating comfortably.

Watch for persistent hiding, rapid breathing, repeated chasing, or loss of appetite, as these may indicate stress or an aquarium problem.

Quarantine new fish before introducing them to an established discus aquarium to help reduce the risk of introducing parasites or infectious diseases.

Growth, Health, and Long-Term Care

Supporting Healthy Development

Adult discus commonly reach around 6–8 inches in diameter under suitable conditions, although individual size varies. A 4–5-inch Golden Crystal is a more developed specimen but may still grow further.

To support long-term health:

• Maintain stable warm water.

• Keep ammonia and nitrite at 0 ppm.

• Perform regular water changes.

• Provide a varied, suitable diet.

• Avoid overcrowding and chronic social stress.

• Monitor appetite, breathing, swimming, and body condition.

Colour alone is not a reliable indicator of health. Look for alert behaviour, normal swimming, and a consistent appetite after the fish has settled into its aquarium.

Buy Discus Golden Crystal 4–5″ in Canada

Monster Aquarium Canada serves Canadian aquarium enthusiasts looking for specialty freshwater fish and ornamental discus varieties. This Discus Golden Crystal 4–5″, code 2404, is an appealing option for hobbyists seeking a larger golden discus for their collection.

Before placing an order, contact Monster Aquarium Canada to confirm current availability, the actual size and appearance of the available specimen, shipping eligibility to your province, and delivery arrangements. If you want to confirm a particular shade of gold or pattern, request current photographs where possible.

Prepare your aquarium before arrival, verify that the water is stable, and have suitable food ready. Careful acclimation, quarantine, and consistent maintenance can help your new discus adjust to its surroundings.

Frequently Asked Questions

1. What size is the Discus Golden Crystal 2404?

This listing is for a Discus Golden Crystal measuring approximately 4–5 inches. Individual measurements may vary slightly.

2. What colour is a Golden Crystal discus?

It generally displays golden or yellow-toned colouration, ranging from pale gold to richer golden shades. Exact appearance varies between individual fish.

3. What temperature does Discus Golden Crystal need?

A temperature of approximately 82–86°F (28–30°C) is generally suitable. Stable water conditions are essential.

4. What should I feed a 4–5-inch Golden Crystal discus?

Offer high-quality discus pellets, frozen brine shrimp, mysis shrimp, and other appropriate foods as part of a varied diet. Remove uneaten food to maintain water quality.

5. Can I order Discus Golden Crystal 4–5″ for delivery in Canada?

Contact Monster Aquarium Canada to confirm current stock, the available specimen, and shipping eligibility to your province before placing an order.