Dark Knight Ram Large

Last time this was in stock, it was £24.99


Common Name: Dark Knight Ram
Latin Name: Mikrogeophagus ramirezi
Synonyms: Ram cichlid, Butterfly cichlid
Tank Bred: Yes, Dark Knight Rams are commonly bred in captivity. This is advantageous as tank-bred individuals are generally more adaptable to aquarium conditions and have a higher chance of survival compared to wild-caught specimens.

Distribution: The Dark Knight Ram is not a naturally occurring variant but is selectively bred from the Blue Ram (Mikrogeophagus ramirezi), which is native to the Orinoco River basin in Venezuela and Colombia. The original wild fish comes from this region.

Max Size: Dark Knight Rams typically reach a maximum size of around 2.5 inches (6.5 cm), making them small and suitable for smaller aquariums.

Lifespan: The average lifespan of Dark Knight Rams is about 2 to 3 years, although with proper care, they can live longer.

Temperature Range: Dark Knight Rams prefer a temperature range between 78-82°F (26-28°C), mimicking their natural tropical habitat.

pH Range: These fish thrive in slightly acidic to neutral water conditions, with a pH range of 6.0-7.0.

KH Range: Dark Knight Rams prefer a moderate carbonate hardness (KH) level between 3-6 dKH.

Care Level: Dark Knight Rams require a bit more care and attention compared to hardier fish species. They are considered moderately difficult to keep and are best suited for intermediate to experienced aquarists who are familiar with the specific needs of dwarf cichlids.

Lighting Preference: They don’t have any specific lighting preferences, but providing a moderate level of lighting that replicates natural daylight is ideal.

Suitable for Planted Tanks: Yes, Dark Knight Rams can thrive in planted aquariums. The presence of live plants provides them with natural hiding places and helps create a more natural and visually appealing environment.

Preferred Food: Dark Knight Rams are omnivorous and will readily accept high-quality flake or pellet foods designed for small tropical fish. It is recommended to supplement their diet with live or frozen foods such as brine shrimp, bloodworms, and small insects.

Behaviour: Dark Knight Rams are generally peaceful but can become territorial during breeding or when establishing their own territory within the aquarium. They are known for their interesting and sometimes comical behaviors, including digging in the substrate and interacting with their surroundings.

Discoverer: The Dark Knight Ram is not specifically named after an individual but is a selectively bred variant of the Blue Ram (Mikrogeophagus ramirezi).

Interesting Facts:

  • Dark Knight Rams are highly prized for their striking black body coloration and metallic blue fin highlights, making them a popular choice among aquarium enthusiasts.
  • Like other Rams, they are known for their intricate courtship and breeding behaviors, including the male digging and creating nesting sites for the female to lay her eggs.
  • Dark Knight Rams are sensitive to changes in water conditions, so maintaining stable and optimal water parameters is crucial for their well-being.
  • They can be a bit delicate compared to hardier fish species, requiring excellent water quality, regular water changes, and a well-established aquarium.

Please note that while Dark Knight Rams are stunning and captivating fish, they require diligent care and attention to ensure their health and longevity in the aquarium.

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Aquarium plants can be shipped under the same shipping rules as dry goods.

Free shipping on orders over £50 (may exclude some aquariums)  Geographical restrictions may apply

LIVESTOCK = Fish, Critters and Corals

Minimum order value £30Delivery charge £19.99. Delivery days Are Varied At The Moment.  We will contact you to confirm your delivery day. Some geographical restrictions apply See shipping

Aquarium Plants: Are shipped the same as and can be mixed with Dry goods *Free shipping on orders over £50 or £6.99 for orders under £50. Some geographical restrictions may apply.

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The Dark Knight Ram (Mikrogeophagus ramirezi) is a selectively bred variant of the Blue Ram, a dwarf cichlid species native to the Orinoco River basin in Venezuela and Colombia. This captivating fish features a black body with metallic blue highlights on its fins, making it a sought-after choice for planted aquariums. With a maximum length of around 2.5 inches, it may be small in size, but its vibrant coloration and active behaviour make it a stunning centrepiece in any tank.

Ensuring the health of Dark Knight Rams:

Maintaining optimal water parameters is crucial for the well-being of Dark Knight Rams. These fish are sensitive to changes in water chemistry, and fluctuations can lead to stress and health issues. Regular water changes and effective filtration are necessary to uphold water quality.

It is recommended to keep the water temperature between 78-82°F (26-28°C) and maintain a pH level of 6.0-7.0. The water hardness should be within the range of 5-10 GH. Establishing a well-balanced aquarium with stable water conditions is essential for the overall health of Dark Knight Rams.

Care level and requirements:

Rams (Mikrogeophagus ramirezi) require a bit more attention compared to some other tropical fish due to their sensitivity to water conditions. However, with proper care and the right environment, they can thrive. These fish are best suited for intermediate to advanced aquarists who have experience with maintaining delicate species.

Special considerations and feeding:

Rams (Mikrogeophagus ramirezi) are omnivorous and need a diverse diet that includes both protein and plant matter. They readily accept high-quality flakes, pellets, and frozen foods, as well as live foods like brine shrimp and bloodworms. Overfeeding should be avoided as these fish have a tendency to become overweight. Providing ample hiding spots in the aquarium, such as caves or plants, helps them feel secure and minimizes stress.

Compatible tank mates For Dark Knight Rams:

Dark Knight Rams can coexist with peaceful community fish that share similar water parameters, such as tetras, rasboras, and small catfish. It is important to avoid aggressive or territorial species that may pose a threat. Additionally, choosing tank mates that won’t outcompete the Dark Knight Rams for food is crucial. They can also be housed with other dwarf cichlids as long as there is sufficient space and hiding places in the aquarium.

Breeding  Rams (Mikrogeophagus ramirezi):

These fish are egg-layers and can be bred successfully in captivity. Encouraging breeding involves keeping a group of six or more individuals, ideally with a ratio of two females to one male. The pair will establish a bond and select a flat surface, such as driftwood or a flat rock, to lay their eggs. The eggs typically hatch within a few days, and the fry can be fed newly hatched brine shrimp and finely crushed flake food.

In summary,

the Dark Knight Ram is a visually striking fish that enhances the beauty of planted aquariums. While it requires more attention than some tropical fish, it can flourish in a stable environment with proper care and water quality. Providing a varied diet, ample hiding spots, and peaceful tank mates is essential. These egg-layers can be successfully bred in captivity, making them a popular choice for aquarists interested in dwarf cichlid breeding.



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Dry Goods Delivery.

The store has provided information regarding their order dispatch and estimated delivery times. Here are the key details:

  1. Dispatch Timeframe: Orders placed before 2pm will be dispatched on the same day. Orders placed after 2pm will be dispatched on the next working day.
  2. Delivery Date and Time Guarantee: While the store aims to dispatch orders promptly, they cannot guarantee a specific delivery date and time. As the delivery process relies on couriers, there may be factors beyond their control that could affect the delivery timeframe.
  3. 1st Class Mail: For orders sent via 1st Class mail, the aim is to have them delivered on the next working day after dispatch.
  4. 2nd Class Mail: Orders sent via 2nd Class mail typically take approximately 2-3 working days for delivery after dispatch.
  5. APC Next Day Delivery: APC Next Day delivery is available for UK mainland postcodes. It is usually delivered on the next working day after dispatch. However, please note that items being delivered to more remote areas may require additional time for delivery.

It’s important to keep in mind that while the store strives to provide efficient delivery services, unforeseen circumstances or external factors could potentially impact delivery times. For further details or specific inquiries about delivery, customers should refer to the store’s terms and conditions or contact the store directly.

Livestock Delivery.

The store maintains specific policies regarding the delivery of livestock. Here are the key points:

  1. Licensed Livestock Courier: The store exclusively uses a licensed livestock courier for shipping fish and coral. This approach is chosen to ensure responsible and ethical transportation of the livestock.
  2. Livestock Shipping Fee: The livestock shipping fee charged to customers of £19.99 does not cover the true cost, and therefore, there is a minimum spend requirement of £30.00 before the option for livestock shipping becomes available.
  3. Pre-Arranged Delivery: The store never ships livestock without first arranging a suitable delivery day. Before dispatching the livestock, the store must confirm the agreed-upon delivery day with the customer.
  4. Saturday Delivery Confirmation: Customers who choose Saturday delivery must have their availability confirmed for the upcoming Saturday before the store sends out the livestock. This confirmation ensures that the livestock can be received promptly.
  5. Failure to wait for livestock: Not waiting for livestock, even if there is a reasonable delay, or cancelling an order after it has been dispatched will lead to you incurring charges for an emergency return to the base. Additionally, any losses of livestock will also be charged to you. Please be aware that the items you are ordering are living creatures – livestock. We kindly ask that you refrain from ordering livestock if you are unable to accommodate the possibility of a delayed delivery.

    These terms and conditions are a fundamental aspect of our policy. Our primary goal is to dissuade individuals who could react negatively to a delayed delivery and subsequently request order cancellations. It is of utmost importance to underscore that your order pertains to living creatures, not mere inanimate objects. In the event of an occasional delay, it is crucial that you respond in a rational and responsible manner, taking into account the welfare of the livestock. We kindly request that you refrain from placing an order for livestock if you tend to react strongly to such situations. By proceeding with the order of livestock, you indicate your acceptance and agreement to abide by these specified terms and conditions.

  6. Signature Requirement: Livestock deliveries require a signature upon receipt and cannot be left in a safe location. This precaution ensures proper handling and the well-being of the livestock.
  7. Geographic Restrictions: The courier has strict geographic restrictions for livestock deliveries. Unfortunately, deliveries to Northern Ireland, Republic of Ireland, Isle of Man, Isles of Scilly, Channel Islands, and certain Scottish offshore postcodes may not be possible. Customers are encouraged to contact the store via email to confirm if livestock delivery is available in their area.
  8. Minimum Order Value and Order Cancellations: The store has a minimum order value of £30 for livestock shipping. Additionally, the store reserves the right to cancel orders that are deemed high-risk or involve a high number of single tropical freshwater fish species.

It is essential for customers to familiarize themselves with these policies before making a purchase. For more detailed information or specific inquiries, customers should consult the store’s terms and conditions or reach out to the store directly for clarification.

Livestock Geographical Exemptions.

The store has specific geographical exemptions for livestock deliveries. Here is a list of the areas and postcodes where livestock delivery is not available:

  1. Islands: Livestock cannot be delivered to the Shetlands, Channel Islands, and Isle of Man.
  2. Postcodes: Livestock delivery is not available to the following postcodes:
  • AB30 to AB39, AB41 to AB45, AB51 to AB56
  • DD8 to DD10
  • BT all
  • DG3 to DG9, DG12 to DG14
  • KA18 to KA19, KA26, KA29 to KA30
  • HS all
  • IM all
  • JE all
  • ZE all
  • KW15 to KW17
  • TD9
  • FK17 to FK21
  • GY all
  • KA26, to KA28
  • PA20 to PA38, PA41 to PA49, PA60 to PA61, PA76 to PA78
  • TR21, to TR25
  • PH3 to PH26, PH30 to PH44
  • IV all

Customers residing in these areas should be aware that livestock delivery is not available to their location.

We can ship livestock to the Isle of Wight, this area is subject to a surcharge.

For further information or specific inquiries about livestock delivery to a particular area, customers are advised to contact the store directly for clarification.


According to the store’s policy, customers have the right to cancel an order within 14 working days of receiving the goods. To initiate the cancellation, the goods must be returned to the store in new and unused condition, adhering to their Returns Policy.

Important points regarding the return process are as follows:

  1. Return Condition: The goods must be returned in new and unused condition, as originally received. It is important to ensure that the goods are in the same condition as when they were sent out.
  2. Return Timeframe: The goods must be received by the store within 21 days of notifying them about the cancellation. During this time, customers are responsible for any loss or damage that may occur during the return shipping process.
  3. Refund Process: Once the store receives the goods in new and unused condition, they will initiate the refund process. The purchase price will be refunded to the customer.
  4. Return Condition Inspection: If the returned goods arrive in a condition that is less than what they were sent out in, the store reserves the right to return the goods to the customer, and no refund will be processed.

It is essential for customers to carefully review the store’s Returns Policy and follow the specified procedures to ensure a smooth and successful return and refund process. For more detailed information or specific inquiries, customers should consult the store’s terms and conditions or contact the store directly.


According to the store’s return policy, the following guidelines should be followed for returning goods:

  1. Use Returns Form: Customers need to use the store’s provided returns form to initiate the return process. This form helps the store acknowledge that the goods are being sent back.
  2. Return for Testing: If the goods are being returned for testing, the customer is responsible for covering the return shipping expenses.
  3. Refund of Postage Fees: The store will only refund postage fees if the order arrives damaged or becomes faulty within the first 4 weeks of purchase. Proof of posting is important, and customers should ensure the goods are well-packed and obtain proof of posting as the goods remain their responsibility until received by the store.
  4. Refund of Postage Costs for Replacement: If goods are being returned within 7 days of purchase under the Replacement Policy, the store can refund postage costs. However, the customer needs to agree on a delivery service with the store in advance, and only standard or tracked shipping fees will be refunded. The store cannot refund the cost of any special delivery service.
  5. Non-Refundable Postage: Postage costs for goods returned for any other reason than those mentioned above are non-refundable. The store reserves the right to deduct the original postage cost from any applicable refund.
  6. Mistaken Purchases: If a customer has made a mistake in their purchase, they need to return the goods to the store. The customer is responsible for the return shipping costs in such cases.

It is important for customers to carefully follow the store’s return procedures and terms and conditions. For further details or specific inquiries, customers should refer to the store’s website or contact the store directly.


If customers receive faulty goods, the following guidelines apply according to the store’s policy:

  1. Notification of Faulty Goods: Customers must notify the store within 7 working days if they receive faulty goods. This notification should be made as soon as possible.
  2. Replacement Parts: If possible, the store will dispatch replacement parts for the faulty goods.
  3. Return of Goods: If replacement parts are not possible, the store may request customers to return the faulty goods in accordance with their Returns Policy. The specific return procedures and conditions should be followed.
  4. Verification of Damage: Once the store receives the returned goods, they will verify the damage. If the damage is confirmed, the store will supply the required replacements.
  5. Return Postage Costs: If the goods returned to the store are found to be in good working order, the store is not able to refund the return postage costs. Additionally, the store reserves the right to deduct their original postage cost from any applicable refund.
  6. Consequential Loss or Damage: The store cannot take responsibility for any consequential loss or damage that arises directly or indirectly from the goods supplied.

Customers should carefully review and adhere to the store’s Returns Policy and procedures for returning faulty goods. For further clarification or specific inquiries, customers should consult the store’s terms and conditions or contact the store directly.

Manufacturer’s Guarantees

The store works in collaboration with manufacturers to ensure that their guarantees are honored, and they make their best efforts to resolve issues within the warranty period. The following guidelines apply to refunds and replacements:

  1. Postage Costs under Manufacturer’s Guarantee: Postage costs can only be refunded if the goods are returned to the store within 7 days of the original purchase, as per the manufacturer’s guarantee.
  2. Refund of Postage Costs for Faulty Goods: The store will refund postage costs for guarantee/warranty returns only if the product becomes faulty within the first 4 weeks of receipt.
  3. Replacements with Manufacturer Authorization: Replacements, whether parts or goods, can only be offered when authorized by the manufacturer. Customers should contact the store for further guidance in such cases.
  4. Prior Approval for Returns: Goods should not be returned to the store without prior approval. Customers need to contact the store and obtain approval before returning any items.
  5. Replacement of Glass or Ceramic Items: Glass or ceramic items can only be replaced if the store is notified within 48 hours of receiving the delivery.
  6. Replacement of Glass Bulbs/Tubes: Glass bulbs or tubes can only be replaced if they become faulty within 14 days.

Customers should note and adhere to these guidelines to ensure a smooth and efficient resolution of any issues with their purchased items. For specific inquiries or further information, customers are advised to refer to the store’s terms and conditions or contact the store directly.


According to the store’s policy, customers have the following responsibilities regarding breakages:

  1. Checking Goods on Arrival: It is the customer’s responsibility to thoroughly check the goods upon arrival for any damage. This should be done before signing for the parcel. If the parcel appears damaged, it is advised not to sign for it.
  2. Reporting Breakages: Any breakages or damages must be reported to the store within 48 hours of receiving the goods. It is important to promptly notify the store to initiate the resolution process.

By carefully inspecting the goods upon arrival and reporting any breakages within the specified timeframe, customers can ensure that appropriate actions are taken to address the issue. For specific instructions on reporting breakages or further information, customers should refer to the store’s terms and conditions or contact the store directly.