German Blue Ram Care Guide: Housing, Breeding & More

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Dr. Mollie Newton
Published by Dr. Mollie Newton PHD| Senior Editor
Last updated: July 15, 2024
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Looking to **spice up your aquarium**? Meet the **German Blue Ram**, a fascinating freshwater fish with **shimmery blue scales**. These stunning creatures aren’t just pretty; they’re **calm and smart**. Great for community tanks, their **tiny size and gentle nature** make them ideal companions. Whether you’re a seasoned fish keeper or just starting out, the German Blue Ram brings life and beauty to your tank. Watch them and you’re in for a real treat!

Species Overview

The German Blue Ram, scientifically known as Mikrogeophagus ramirezi, is a popular species of cichlid that originates from South America. These vibrant and peaceful freshwater fish are native to the Orinoco River basin in Colombia and Venezuela. They are also commonly referred to as German Rams or Blue Rams.

Belonging to the Cichlidae family, the German Blue Ram is highly sought after by aquarium enthusiasts for its stunning colors and calm temperament. Their striking blue body with splashes of yellow and red make them a captivating addition to any aquarium.

With an average lifespan of 2-3 years, these cichlids require proper care and attention to thrive in captivity. Let’s delve deeper into their unique characteristics and requirements.

Native Habitat

German Blue Rams are found in slow-moving waters within the Orinoco River basin. The warm temperatures and soft, acidic water conditions of their natural habitat should be replicated in aquariums for optimal health.

German Blue Ram Body


German Blue Rams are highly sought after in the aquarium hobby due to their eye-catching appearance. These small-sized fish have an elongated oval-shaped body that adds elegance to any tank.

One of the most striking features of German Blue Rams is their vibrant blue coloration on the upper body, which contrasts beautifully with their yellowish abdomen. The intensity and distribution of these colors can vary from individual to individual. Some may exhibit a more intense blue hue, while others may have a slightly lighter shade. Some specimens may display a black line running horizontally across their body, further enhancing their visual appeal.

Physical Traits and Colors

German Blue Rams possess dark patches that serve as significant markings. These patches add depth and dimension to their overall appearance. Moreover, their dorsal fin structure plays a crucial role in distinguishing between males and females. Males typically have longer dorsal fins compared to females, allowing for easy differentiation between the sexes.

In terms of size, adult German Blue Rams generally reach an average length of 2 to 3 inches. However, it’s important to note that various factors can influence their size. Breeding conditions and diet play key roles in determining how large these fish will grow. Providing optimal care and nutrition can help them reach their full potential size-wise.

German Blue Ram Care

German Blue Rams are popular aquarium fish known for their vibrant colors and peaceful temperament. These low-maintenance fish are a great choice for both beginner and experienced aquarists. However, understanding their basic needs is crucial to ensure their well-being.

To provide the best care for German Blue Ram fish, it is essential to maintain a suitable tank environment. These fish require a well-maintained tank with stable water conditions. German Blue Ram fish thrive in planted tanks that resemble their natural habitat. The presence of live plants not only enhances the aesthetics of the aquarium but also provides hiding spots and creates a sense of security for the fish.


Regular maintenance is crucial to keep your German Blue Ram healthy and happy. Performing regular water changes helps remove accumulated waste, excess nutrients, and toxins from the tank, ensuring clean and oxygenated water for the fish to thrive in. Aim for weekly partial water changes of around 20% to maintain optimal health.

Tank and Water Requirements

German Blue Rams are beautiful and fascinating fish that require specific tank and water conditions to thrive.

Tank Size

Size of tank setup matters. While they can survive in a 10-gallon tank, it is recommended to provide them with a minimum tank size of 20 gallons. The larger space allows them to swim freely and exhibit their natural behaviors without feeling cramped or stressed. A larger tank provides more stability in terms of water parameters.

Setting Up Their Tank

Creating an ideal environment for the German Blue Ram involves several key considerations. First and foremost, plants play a crucial role in providing hiding spots and creating a sense of comfort for these fish. Opt for plant options such as Java ferns, Amazon swords, or Anubias that can tolerate the warmer temperatures required by Rams. Floating plants like Water lettuce or Salvinia are also beneficial as they diffuse light and create shaded areas.

In terms of substrate, sandy or fine gravel works best for the German Blue Ram due to their digging behavior. This type of substrate mimics their natural habitat where they sift through sand in search of food particles. Furthermore, consider providing dim lighting by using floating plants or adjustable LED lights with dimming capabilities to replicate their preferred low-light conditions.


To ensure the well-being of your German Blue Ram, it is important to maintain a slow water current within the tank. These fish prefer calm waters rather than strong currents that can stress them out. Adjusting the flow rate on your filtration system or using sponge filters can help achieve this desired effect.

Water Parameters

Maintaining good water quality is paramount when keeping German Blue Rams healthy and thriving in your aquarium. It is crucial to monitor various water parameters regularly:

  • Water Temperature: German Blue Rams prefer a temperature range of 78-85°F (25-29°C). Providing a stable and consistent temperature within this range is essential for their overall well-being.
  • pH Levels: Aim to maintain a pH level between 5.0 – 7.0 for optimal health and breeding conditions. Keeping the pH slightly acidic to neutral will closely resemble their natural habitat in South America.
  • Water Hardness: These fish thrive in soft to moderately hard water with a hardness level of 5-15 dGH.

To ensure good water quality, it is recommended to perform frequent partial water changes and utilize quality filtration systems.

Variety of Fish Food

Food & Diet

German Blue Rams, are omnivores and not picky eaters. They have a diverse diet in their natural habitat, which includes both plant matter and small aquatic organisms. In order to provide them with a healthy and balanced diet in captivity, it is important to understand their dietary requirements.

As omnivorous species, German Blue Rams need a varied diet consisting of both live and prepared foods. This ensures that they receive all the essential nutrients they need to thrive. High-quality flakes and pellets specifically formulated for cichlids can be the main staple of their diet. These options provide a good balance of proteins, vitamins, and minerals.

In addition to flakes and pellets, it is beneficial to offer German Blue Rams other food options to mimic their natural feeding behavior. Frozen or live brine shrimp, bloodworms, and daphnia are excellent choices that can be included in their diet. These foods not only provide additional nutrients but also add variety and enrichment to their feeding routine.

Avoid Overfeeding

While it is important to provide a diverse range of food options, it is equally crucial to avoid overfeeding German Blue Rams. Overfeeding can lead to obesity and other health issues such as swim bladder problems. It is recommended to provide small frequent feedings throughout the day rather than one large meal. This allows them to consume what they need without overindulging.

Feeding challenges may arise during the acclimatization period when introducing German Blue Rams into a new tank environment. They might initially be hesitant or shy about accepting food due to stress or unfamiliar surroundings. In such cases, it’s helpful to introduce some dither fish into the tank. Dither fish are peaceful fish that help reduce stress levels by swimming actively throughout the tank, which encourages the rams’ natural feeding instinct.

German Blue Ram Swimming Together

Behavior & Temperament

The German Blue Ram cichlids are known for their peaceful and exploratory nature, making them an excellent choice for community tanks with other peaceful fish species. These beautiful cichlids have a calm demeanor that adds tranquility to any aquarium setting.

One notable aspect of the German Blue Ram’s behavior is their preference to spend time near the bottom of the tank. You’ll often find them among plants and substrate, where they feel most comfortable and secure. This behavior mimics the natural habitat of wild German Blue Rams in the Amazon River basin, where wild german blue rams seek shelter among vegetation and rocky structures.

Territorial Tendencies

While generally peaceful, the German Blue Ram can become territorial during breeding…

While generally peaceful, the German Blue Ram can become territorial during breeding. It’s important to note that they may exhibit aggression towards other tank inhabitants during this time. To avoid conflicts, it is recommended to provide ample hiding spots within the aquarium, such as caves or dense plantings.

When selecting tank mates for the German Blue Ram, it’s important to consider their size and temperament compatibility. These recommended tank mates are known for their peaceful nature and ability to coexist with the German Blue Ram, creating a harmonious and visually appealing aquarium environment.

  1. Neon Tetras: Neon Tetras are peaceful and small in size, making them an ideal tank mate for German Blue Rams. They add a splash of vibrant color to the tank and their peaceful nature complements the temperament of the Rams.
  2. Corydoras Catfish: Corydoras Catfish are bottom-dwelling fish that are known for their peaceful nature. They are compatible with German Blue Rams as they inhabit different areas of the tank and have similar water parameter requirements.
  3. Harlequin Rasboras: Harlequin Rasboras are another peaceful schooling fish that can coexist with German Blue Rams. They are known for their striking colors and active nature, adding movement and liveliness to the tank.
  4. Otocinclus Catfish: Otocinclus Catfish are small, peaceful fish that primarily feed on algae. They are a great addition to a tank with German Blue Rams as they help keep the tank clean by consuming algae, and their peaceful nature ensures compatibility.
  5. Dwarf Gouramis: Dwarf Gouramis are colorful and peaceful fish that can coexist with German Blue Rams. It’s important to note that only one male Dwarf Gourami should be kept in the tank to avoid aggression between males.

Common Possible Diseases

German Blue Rams, like many other freshwater fish, are susceptible to a range of common diseases that can affect their health and well-being. These ailments include ich, fin rot, bacterial infections, and other illnesses that can be detrimental if not promptly addressed.

One of the factors that contribute to disease outbreaks in German Blue Rams is poor water quality. When the water parameters are not properly maintained, it weakens the fish’s immune system, making them more vulnerable to infections. Stress caused by overcrowding or sudden changes in temperature can also compromise their resistance to diseases.


To prevent disease outbreaks and ensure the overall health of your German Blue Ram, regular observation and quarantine of new additions are crucial. By closely monitoring any signs of illness or abnormalities in newly introduced fish before introducing them into the main tank, you can minimize the risk of spreading diseases to healthy individuals.

There are several approaches you can take. Using appropriate medications is often necessary to combat specific ailments such as ich or bacterial infections. It’s important to consult with a knowledgeable veterinarian or aquatic specialist for guidance on selecting the right medication for your German Blue Ram.

Water Quality

In addition to medication, maintaining good water quality is paramount for preventing and treating diseases in German Blue Rams. Regularly testing and adjusting water parameters such as pH levels, ammonia levels, and temperature will help create an optimal environment for their well-being. Proper filtration systems should also be in place to remove toxins and maintain water clarity.

Providing a balanced diet is another essential aspect of keeping your German Blue Ram healthy and resilient against diseases. A nutritious diet consisting of high-quality flakes or pellets supplemented with live or frozen foods will support their immune system and overall vitality.

German Blue Ram Breeding

Breeding pairs of German Blue Rams, also known as blue ram cichlids or ram cichlids, form strong bonds and engage in elaborate courtship rituals. These beautiful fish are known for their vibrant colors and unique behaviors during the breeding process.

To breed German Blue Rams, follow these steps:

  1. Set up a suitable breeding tank: Start by preparing a separate tank specifically for breeding purposes. It should be at least 20 gallons in size and well-equipped with hiding spots, plants, and flat surfaces like rocks or leaves for the female to lay her eggs on.
  2. Choose a compatible breeding pair: Select a healthy male and female German Blue Ram that are mature and ready to breed. It’s important to ensure they have formed a strong bond and are displaying courtship behaviors.
  3. Condition the breeding pair: Prior to breeding, it’s beneficial to condition the pair by providing them with a varied and nutritious diet. This can include high-quality pellets, frozen or live foods such as brine shrimp or bloodworms, and occasional vegetable matter.
  4. Simulate the rainy season: German Blue Rams are triggered to breed by changes in water conditions that mimic the rainy season. Increase the water temperature to around 80-82°F (27-28°C) and perform regular water changes to simulate this environment.
  5. Provide suitable spawning sites: Place flat surfaces such as rocks or leaves in the breeding tank for the female to lay her eggs on. Ensure there are enough hiding spots for the female to feel secure during the breeding process.
  6. Observe courtship and egg laying: Once the pair has formed a bond and the female is ready to spawn, they will engage in elaborate courtship rituals. The male will display vibrant colors and the female will lay adhesive eggs on the chosen spawning site.
  7. Remove the female after egg laying: After the female has laid her eggs, it’s important to remove her from the breeding tank to prevent her from eating the eggs. Place her back in the main tank or a separate holding tank.
  8. Male guards the eggs: The male will take on the responsibility of guarding the eggs and ensuring their safety. He will fan the eggs with his fins to maintain oxygen flow and protect them from


Are German Blue Rams schooling fish?

No, German Blue Rams are not schooling fish. While they are not strict schooling fish, they do appreciate having companions of their own species. It’s recommended to keep them in pairs or small groups to prevent stress and promote natural behaviors.

Are German Blue Rams difficult to keep?

German Blue Rams can be moderately challenging to keep in aquariums. They require stable water conditions, proper diet, and a well-maintained environment. However, with the right care and attention, they can thrive and make a stunning addition to your tank

How many Blue Rams in a 20-gallon tank?

In a 20-gallon tank, it’s advisable to keep a pair of German Blue Rams. These fish require space to establish territories and minimize aggression. Having more than one pair or introducing other fish as tank mates might lead to territorial conflicts and stress.

Do German Blue Rams need caves?

Yes, German Blue Rams benefit from having caves or hiding spots in their aquarium. Caves mimic their natural habitat and provide shelter, which helps reduce stress and promote breeding behaviors. Providing suitable hiding places can contribute to their overall well-being.

What is the difference between Electric Blue RAM and German Blue RAM?

The Electric Blue Ram and German Blue Ram are both cichlids, but they differ in coloration and origin. The German Blue Ram (Mikrogeophagus ramirezi) displays distinctive blue and yellow hues with black markings. On the other hand, the Electric Blue Ram is a color variant of the German Blue Ram, exhibiting a more intense and solid electric blue coloration.

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