Black Knight Ram Cichlid (Mikrogeophagus ramirezi) – 1.25–1.5″

The Black Knight Ram is a striking ornamental variety of the German Blue Ram, Mikrogeophagus ramirezi. Recognized for its dark, dramatic colouration and elegant appearance, this dwarf cichlid is a popular choice among aquarists who appreciate unusual freshwater fish. Its compact size, fascinating behaviour, and distinctive appearance make it an attractive addition to a carefully maintained tropical aquarium.

The Black Knight Ram is especially appealing to hobbyists looking for something different from the more familiar blue and gold ram varieties. Its dark body tones can create a beautiful contrast against green aquatic plants, natural driftwood, and light-coloured aquarium substrates.

At Monster Aquarium Canada, the Black Knight Ram is a specialty dwarf cichlid option for collectors and freshwater aquarium enthusiasts across Canada.

Product details

• Common name: Black Knight Ram

• Scientific species: Mikrogeophagus ramirezi

• Trade variety: Black Knight

• Listed size: 1.25–1.5 inches

• Product code: D2405MJ

• Origin: Ornamental ram cichlid variety; confirm supplier and breeding origin when ordering

• Water type: Freshwater

• Temperament: Generally peaceful, with territorial behaviour during breeding

Appearance and Unique Black Knight Colouration

A Dark and Elegant Dwarf Cichlid

The Black Knight Ram is valued for its deep, dark pigmentation, which may appear charcoal, black, or dark brown depending on lighting, age, condition, and individual colour development. Some specimens may display subtle iridescent blue or other metallic highlights across the body and fins.

Its compact, laterally compressed body, prominent eyes, and attractive fins give it the classic ram cichlid appearance. As the fish matures, its colouration and fin development may become more pronounced.

Because Black Knight is an ornamental trade name, individual specimens can differ in darkness, pattern, and colour intensity. The final adult appearance should not be assumed from a juvenile specimen.

Male and Female Differences

Mature males may develop slightly larger bodies and more extended dorsal and anal fins. Females are often smaller and may show a pinkish abdominal area, particularly when in breeding condition.

At the listed juvenile size of 1.25–1.5 inches, sexing may be difficult. If you are looking for a confirmed male, female, or breeding pair, contact Monster Aquarium Canada before ordering.

Aquarium Setup and Tank Requirements

Recommended Aquarium Size

A 20-gallon aquarium is a practical starting point for a single Black Knight Ram or a compatible pair. A larger aquarium of 30 gallons or more is recommended for a community setup.

Although this species is small, it requires excellent water quality and a stable environment. A mature, fully cycled aquarium is strongly recommended rather than a newly established tank.

Provide:

• Fine sand or smooth aquarium substrate.

• Natural driftwood and aquarium-safe decorations.

• Live plants and shaded areas.

• Small caves and sheltered spaces.

• Open swimming areas.

• Gentle to moderate water movement.

Avoid sharp decorations that could damage its fins or body.

Recommended Water Parameters

Black Knight Rams are sensitive to poor water quality and sudden environmental changes. Stable, warm water is essential for maintaining their health.

These are general care targets, not rigid requirements for every specimen. Acclimate new fish gradually and avoid sudden changes in temperature, pH, or hardness.

Use reliable biological filtration, perform regular partial water changes, and monitor water conditions consistently.

Feeding and Nutrition

A Varied Diet for Healthy Growth

Black Knight Rams are small omnivorous cichlids that benefit from a varied, nutritious diet. At 1.25–1.5 inches, the listed fish are still developing, so offer appropriately sized food that they can comfortably consume.

Recommended foods include:

• High-quality micro pellets for dwarf cichlids.

• Frozen or live baby brine shrimp.

• Daphnia.

• Mysis shrimp in suitably small portions.

• Small frozen bloodworms as an occasional treat.

• Other appropriately sized protein-rich foods.

Feed small portions once or twice daily, adjusting the amount according to appetite. Avoid overfeeding, as uneaten food can quickly affect water quality.

A varied diet supports healthy growth, body condition, and the development of attractive colouration.

Temperament and Tank Mate Compatibility

Peaceful but Territorial When Breeding

The Black Knight Ram is generally peaceful and can work well in a carefully planned community aquarium. However, like other ram cichlids, it may become territorial around a selected spawning site.

Suitable tank mates may include:

• Small peaceful tetras.

• Pencilfish.

• Selected peaceful rasboras.

• Corydoras species that tolerate warm water.

• Other calm fish with compatible environmental requirements.

Avoid aggressive cichlids, large predatory fish, fin-nippers, and highly competitive feeders. Do not overcrowd the aquarium, especially when keeping a pair.

Because Black Knight Rams prefer warmer water than many community fish, compatibility should be based on temperature requirements as well as temperament.

Breeding Black Knight Rams

Spawning and Parental Behaviour

Mikrogeophagus ramirezi is a substrate-spawning dwarf cichlid. A compatible pair may clean a flat surface, smooth stone, or suitable sheltered area before laying eggs.

Both parents may participate in guarding the eggs and protecting the young. During breeding, territorial behaviour can increase, so provide enough space and hiding areas.

For breeding attempts, maintain excellent water quality, provide a varied diet, and allow the fish to establish a suitable spawning area. Fry require very small first foods, such as infusoria or suitable commercial fry food, before progressing to baby brine shrimp.

Successful breeding depends on a compatible pair and stable aquarium conditions.

Why Choose Black Knight Rams from Monster Aquarium Canada?

The Black Knight Ram is an excellent option for aquarists who want a distinctive dwarf cichlid with a darker appearance. Its compact size makes it suitable for thoughtfully designed smaller tropical aquariums, while its behaviour and potential breeding activity make it interesting to observe.

Monster Aquarium Canada specializes in unusual freshwater fish and ornamental aquarium species for Canadian hobbyists. Whether you are building a dwarf cichlid collection or looking for a unique centrepiece for a peaceful planted aquarium, the Black Knight Ram is worth considering.

The listed juvenile size is 1.25–1.5 inches, so allow time for the fish to mature and develop its adult appearance.

Before ordering: Contact Monster Aquarium Canada to confirm current availability, exact specimen appearance, size, sex if required, and shipping eligibility to your Canadian province or territory. Quarantine new arrivals before introducing them to an established aquarium.

Frequently Asked Questions

1. What is a Black Knight Ram Cichlid?

The Black Knight Ram is a dark-coloured ornamental variety of Mikrogeophagus ramirezi, a small South American freshwater dwarf cichlid.

2. How big does a Black Knight Ram grow?

Adult German Blue Rams generally reach approximately 2–3 inches, although final size can vary with genetics, diet, and care.

3. What size aquarium does a Black Knight Ram need?

A 20-gallon aquarium is a practical starting point for a single fish or compatible pair. A larger aquarium is preferable for a community setup.

4. What should I feed a Black Knight Ram?

Offer quality micro pellets, baby brine shrimp, daphnia, mysis shrimp, and other appropriately sized foods. A varied diet is best.

5. Can Black Knight Rams live with other fish?

Yes. They can live with peaceful tank mates that tolerate warm water and similar conditions. Avoid aggressive fish and species that compete heavily for food or territory.