DISCUS SAN MERAH Symphysodon aequifasciatus 3″ – Buy Discus Fish in Canada

The Discus San Merah (Symphysodon aequifasciatus) 3-inch is a distinctive freshwater ornamental fish for aquarists who appreciate colourful discus varieties and the elegant appearance of South American cichlids. With its attractive red-toned colouration, rounded body, and graceful swimming style, this discus can become a standout addition to a well-maintained tropical aquarium.

At Monster Aquarium Canada, we help Canadian aquarium enthusiasts discover specialty freshwater fish for their home aquariums and growing collections. The San Merah Discus is an appealing option for hobbyists looking to add a red-coloured discus variety to a suitable aquarium.

At approximately 3 inches, this fish is still growing and developing. Consistent water quality, suitable nutrition, and a stable, warm environment are essential for supporting healthy growth and allowing its natural colouration to develop.

DISCUS SAN MERAH Overview

Product Specifications

• Common name: San Merah Discus

• Scientific name: Symphysodon aequifasciatus

• Size: Approximately 3 inches

• Fish type: Freshwater tropical fish

• Family: Cichlidae

• Species origin: Amazon Basin, South America

• Colour: Red-toned ornamental colour variety; exact markings may vary

• Temperament: Generally peaceful, with social hierarchy

• Diet: Omnivorous

• Care level: Moderate to advanced

• Ideal aquarium: Mature, stable discus aquarium

San Merah is a trade name for an ornamental discus variety. Exact colour intensity, markings, and pattern can differ between individual fish, so confirm the appearance of the available specimen with Monster Aquarium Canada before ordering.

What Makes San Merah Discus Special?

Discus are well known for their distinctive circular body shape, calm swimming movements, and striking colour varieties. The San Merah name is associated with red-toned discus, making this variety attractive to aquarists who want a warmer colour palette in their aquarium.

At 3 inches, the fish is a juvenile. Its colour and pattern may change as it matures, depending on its genetics, diet, water conditions, and overall health. A clean aquarium and consistent care help the fish maintain good condition as it grows.

The San Merah Discus can look particularly attractive in a carefully arranged aquarium with open swimming space and a simple background that complements its colouration.

Aquarium Setup for DISCUS SAN MERAH

Recommended Tank Size

Discus are social fish and need sufficient space to swim and establish a stable group hierarchy. For a group of discus, approximately 75 gallons or larger is a practical starting point. Larger groups and adult fish may require considerably more space.

Choose an aquarium with dependable filtration, good oxygenation, and room for regular maintenance. A bare-bottom aquarium can make waste removal easier, while a planted setup can work if the plants tolerate warm water and do not overcrowd the swimming area.

Avoid overcrowding and ensure that all fish can access food without excessive competition.

Water Parameters

Stable water conditions are especially important for discus health.

• 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 with regular maintenance

• Filtration: Efficient biological filtration with gentle to moderate water movement

Stability matters more than chasing an exact pH reading. Avoid sudden changes in temperature, pH, or mineral content, and match the fish’s existing conditions as closely as practical when introducing it.

Use a reliable heater and thermometer, test the water routinely, and carry out regular partial water changes. Treat replacement water appropriately and ensure that its temperature is close to the aquarium’s temperature.

Filtration and Aquarium Maintenance

Discus need clean, well-oxygenated water. Select filtration appropriate for the aquarium’s volume and stocking level, and clean filter media carefully to preserve beneficial bacteria.

Remove uneaten food and accumulated waste promptly. Regular maintenance helps control nitrate and supports healthy appetite and growth. Quarantine new fish before introducing them to an established aquarium.

Feeding DISCUS SAN MERAH

A Nutritious Diet for Juvenile Discus

A 3-inch discus benefits from a varied, high-quality diet that supports growth and body condition. Offer suitable foods in small portions and monitor how readily the fish eats.

Recommended food options include:

• High-quality discus or tropical cichlid pellets

• Frozen brine shrimp

• Frozen mysis shrimp

• Suitable frozen bloodworms as part of a varied diet

• Reputable formulated discus foods

Juvenile discus often benefit from several small meals per day. Adjust feeding frequency and portion sizes according to the fish’s condition and the aquarium’s ability to maintain clean water.

Remove leftovers promptly to prevent water-quality problems. If the fish refuses food, check water parameters, observe its behaviour, and look for other signs of stress or illness.

A balanced diet supports general health, but the exact intensity of red colouration depends on genetics and individual development as well as nutrition.

Temperament and Compatible Tank Mates

Social Behaviour

San Merah Discus are generally peaceful, but discus form social hierarchies. Dominant fish may chase other fish or prevent them from eating, particularly when the aquarium is overcrowded.

Monitor the group for persistent chasing, hiding, clamped fins, rapid breathing, or loss of appetite. These signs can indicate stress, illness, or poor environmental conditions.

Choosing Suitable Tank Mates

Select tank mates that tolerate warm water and peaceful community conditions. Depending on the aquarium and individual fish, suitable companions may include carefully selected warm-water tetras and peaceful bottom-dwelling species.

Avoid aggressive fish, persistent fin-nippers, highly competitive feeders, and species that require cooler water. Introduce compatible fish carefully and monitor their interactions.

For aquarists focused on discus growth and feeding, a dedicated discus aquarium can be easier to manage than a mixed community setup.

Growth, Colour and Long-Term Care

What to Expect from a 3-Inch San Merah Discus

At approximately 3 inches, the San Merah Discus is still developing. Adult discus commonly reach around 6–8 inches in diameter, although final size varies with genetics, nutrition, water quality, and husbandry.

To support healthy development:

• Maintain a stable, warm aquarium temperature.

• Feed a varied, high-quality diet.

• Avoid overcrowding and excessive competition.

• Keep ammonia and nitrite at zero.

• Perform regular partial water changes.

• Monitor appetite, body condition, and swimming behaviour.

• Quarantine new fish before adding them to the aquarium.

Red-toned colouration and body markings can change as the fish matures. Individual genetics, lighting, nutrition, and stress levels can affect its appearance, so a particular adult colour intensity cannot be guaranteed.

Buy DISCUS SAN MERAH 3″ in Canada

Monster Aquarium Canada serves aquarium hobbyists looking for distinctive freshwater fish for their home aquariums and specialist collections. The San Merah Discus is an attractive option for aquarists interested in red-toned discus varieties and the unique shape and behaviour of discus fish.

Before ordering, confirm current availability, the actual size and appearance of the fish, shipping eligibility for your Canadian destination, and available delivery arrangements. Stock and delivery options may vary.

Prepare the aquarium before arrival, verify that the water parameters are suitable, and ensure that the tank is stable. Acclimate the fish carefully and avoid sudden changes in temperature or water chemistry.

With a suitable aquarium and consistent care, the San Merah Discus can become a beautiful part of a well-planned freshwater collection.

Frequently Asked Questions

1. How big is the San Merah Discus for sale?

This listing is for a discus approximately 3 inches in size. Adult discus commonly reach around 6–8 inches in diameter, although final size depends on genetics and care.

2. What temperature does a San Merah Discus need?

A temperature of approximately 82–86°F (28–30°C) is commonly used for discus. Maintain stable conditions and select tank mates that tolerate the same warm environment.

3. What should I feed a 3-inch San Merah Discus?

Offer quality discus pellets, frozen brine shrimp, mysis shrimp, and other suitable formulated foods. Feed small portions regularly and remove leftovers to keep the water clean.

4. Can San Merah Discus live with other discus?

Yes. Discus are commonly kept in groups when there is adequate swimming space, filtration, and access to food. Monitor social behaviour to ensure that dominant fish do not continually harass others.

5. Can I order San Merah Discus online in Canada?

Contact Monster Aquarium Canada to confirm current availability and ordering arrangements. Check the fish’s actual size and appearance, shipping eligibility, and delivery options for your destination before placing an order.