Altum Angelfish


The altum angelfish is a species of freshwater fish known for its distinctive shape and graceful movements. Originating from the amazon river basin, these angelfish have tall bodies, elongated fins, and a unique angler-like appearance.

They are highly sought after by aquarium enthusiasts due to their elegance and rare beauty. With their striking silver body color and black vertical stripes, altum angelfish are often considered the epitome of elegance in the fishkeeping world. These fish require specific care, including a large tank with high-quality water and a balanced diet to thrive.

Altum angelfish are known to be peaceful but can become territorial if they feel threatened. With proper care and attention, these captivating fish can be a stunning addition to any aquarium.

Anatomy And Appearance

The altum angelfish, scientifically known as pterophyllum altum, is a majestic freshwater fish that captivates aquarium enthusiasts around the world. Delving into the anatomy and appearance of this fascinating species reveals a multitude of intriguing characteristics.

Physical Characteristics Of The Altum Angelfish

  • The altum angelfish is renowned for its grandiose size, reaching up to 12 inches in height, making it larger than its counterpart, the pterophyllum scalare.
  • It possesses an elongated and laterally compressed body structure, allowing it to gracefully glide through the water with ease.
  • This species showcases a bold, distinctive convex forehead and a pointed snout, which adds to its regal appearance.
  • The dorsal and anal fins of the altum angelfish are long and flowing, adorned with delicate filaments that enhance its allure.
  • Its pectoral fins are transparent, providing a striking contrast against its body.

Color Variations And Patterns Of Altum Angelfish

  • Altum angelfish are known for their remarkable array of colors and patterns, contributing to their undeniable aesthetic appeal.
  • Their base coloration ranges from silver to gold, creating a shimmering effect that catches the eye.
  • The body of the altum angelfish is adorned with vertical black lines, which can vary in thickness and intensity.
  • Some individuals exhibit light blue or iridescent sheen on their scales, adding an enchanting touch to their appearance.
  • There are also rare instances where altum angelfish exhibit a solid black coloration, creating a striking contrast against the aquatic environment.

Understanding The Unique Body Shape Of The Altum Angelfish

  • The body shape of the altum angelfish distinguishes it from other angelfish species, conveying a sense of elegance and grace.
  • Its elongated body allows for swift maneuverability, giving it an advantage in navigating through dense vegetation within its natural habitat.
  • The upward curvature of the altum angelfish’s forehead is a distinct feature, contributing to its majestic presence.
  • This species’ streamlined body shape enables it to swiftly dart after prey or evade potential threats, showcasing its adaptability in the wild.
  • The altum angelfish’s unique body shape further accentuates its regal appearance, making it a prized addition to aquariums worldwide.

The altum angelfish’s anatomy and appearance highlight its captivating beauty and distinctive features. From its elongated body to its striking color variations and unique body shape, this species is a true marvel of nature. Whether you are a seasoned aquarist or an aspiring enthusiast, the altum angelfish is sure to leave a lasting impression with its grace and allure.

Habitat And Natural Distribution

Exploring The Natural Habitat Of The Altum Angelfish

The altum angelfish, also known as the pterophyllum altum, is a beautiful and fascinating fish species found in the rivers and streams of the amazon basin. Let’s delve into its natural habitat and discover what makes it such a unique creature.

Rivers And Streams Of The Amazon Basin: The Home Of Altum Angelfish

  • The altum angelfish primarily inhabits the amazon river and its tributaries, such as the orinoco and rio negro rivers.
  • These water bodies are known for their dense tropical rainforests, providing a lush and vibrant environment for the altum angelfish.
  • The rivers and streams in this region are typically slow-moving, with a slightly acidic ph level and soft water conditions.
  • Altum angelfish thrive in areas with dense vegetation, submerged tree roots, and fallen leaves, which provide valuable hiding places and cover for their natural behavior.

Factors that contribute to the vulnerable status of altum angelfish in the wild:

  • Habitat destruction: The amazon basin faces the ongoing threat of deforestation, leading to the destruction of the altum angelfish’s natural habitat. This loss of vegetation and water quality poses a significant risk to their survival.
  • Illegal collecting: Due to their stunning appearance, altum angelfish are highly sought after by aquarium enthusiasts. Illegal collection for the pet trade has had a devastating impact on their wild populations.
  • Water pollution: Human activities, such as mining and agriculture, contribute to water pollution in the amazon basin. The pollution affects the water quality and can have detrimental effects on the altum angelfish and other aquatic species.
  • Climate change: The changing climate patterns, including increased temperatures and altered rainfall patterns, can negatively impact the altum angelfish’s habitat and overall ecosystem function.

The altum angelfish is a captivating creature that calls the rivers and streams of the amazon basin home. However, its vulnerable status in the wild is primarily due to habitat destruction, illegal collecting, water pollution, and the effects of climate change.

It is essential that we take measures to protect this remarkable species and preserve its natural habitat for generations to come.

Housing And Tank Setup

Ideal Tank Size And Conditions For Altum Angelfish

Altum angelfish, also known as the orinoco angelfish, require specific tank conditions to thrive and maintain their health. Here are the key points to consider when housing altum angelfish:

  • Tank size: A minimum tank size of 50 gallons (190 liters) is recommended for a single pair of altum angelfish. However, larger tanks are preferred, especially for multiple angelfish or community setups.
  • Vertical space: Altum angelfish have tall bodies and extended fins, so a tank with tall dimensions, such as a height of at least 24 inches (60 cm), is essential to accommodate their vertical swimming habits.
  • Water parameters: Altum angelfish prefer soft and slightly acidic water conditions. Aim for a ph level between 6.5 and 7.0, and a water hardness of 1-5 dh. It is crucial to maintain stable water conditions by regularly monitoring and adjusting the parameters as needed.
  • Temperature requirements: Altum angelfish originate from the warm waters of the amazon river basin in south america. Keep the aquarium temperature between 78-82°f (25-28°c), as this range closely mimics their natural habitat.
  • Filtration and oxygenation: Altum angelfish appreciate well-filtered water with gentle water flow. A good quality filter and regular water changes will help maintain optimal water conditions. Additionally, adding an air stone or sponge filter will ensure proper oxygenation for the angelfish.

Decorations And Plants For Creating A Natural Habitat In The Aquarium

To provide a suitable environment for altum angelfish, consider incorporating the following decorations and live plants:

  • Substrate: Use a dark-colored, fine-grained substrate like sandy or gravel alternatives to replicate the angelfish’s natural habitat. This substrate choice also enhances their striking colors and contrast.
  • Driftwood and rocks: Add pieces of driftwood and rocks to recreate the natural amazonian biotope. Altum angelfish appreciate hiding spots and resting areas created by these elements.
  • Plants: Live aquatic plants play a vital role in maintaining the water quality and creating a natural look for the tank. Opt for plants like amazon swords, java ferns, and anubias, as they can withstand the soft and slightly acidic water favored by altum angelfish.
  • Floating plants: Introduce floating plants such as amazon frogbit or water lettuce to provide shade and diffused lighting. These plants also act as natural water purifiers, reducing nutrients and aiding in maintaining water parameters.
  • Lighting: Use a dimmable led light or a combination of natural and artificial lighting to mimic the amazon jungle’s subdued lighting conditions. This will create a comfortable environment for your altum angelfish.

Ensuring the ideal tank size, water conditions, and providing suitable decorations and plants will create a natural and harmonious habitat for your altum angelfish. Keeping them happy and healthy in an environment that mimics their natural habitat is key to their overall well-being.

Feeding And Care

Altum angelfish, also known as orinoco angel or altum angel, are a stunning species of freshwater angelfish that require special care when it comes to their diet and overall well-being. In order to ensure their optimal health and growth, it is important to provide them with the appropriate diet and meet their nutritional needs.

The Appropriate Diet For Altum Angelfish

To keep your altum angelfish healthy and thriving, it is crucial to offer them a balanced diet that mimics their natural feeding habits. Here are key points to consider:

  • Variety is key: These fish are omnivores, which means they require a mix of both plant and animal-based foods to meet their nutritional needs. Offering a varied diet will help ensure they receive all the necessary nutrients.
  • High-quality flakes: Start by providing high-quality flake foods specifically formulated for angelfish. Look for options that contain a mix of plant-based ingredients, such as spirulina, as well as animal proteins to mimic their natural diet.
  • Pellets or granules: Alternate flake foods with pellets or granules to provide a diverse diet. Opt for sinking varieties to satisfy their preference for feeding near the bottom of the tank.
  • Frozen and live foods: Supplement their diet with frozen or live foods, which are more similar to their natural prey. Consider options like brine shrimp, bloodworms, or daphnia. These can be fed as occasional treats or as a regular part of their diet.
  • Vegetables and fruits: Some altum angelfish enjoy nibbling on vegetables and fruits. Offer small portions of blanched spinach, zucchini, or even small pieces of apple as a nutritional supplement.
  • Avoid overfeeding: It is important to be mindful of the amount of food you provide. Overfeeding can lead to health issues and poor water quality. Feed your altum angelfish small portions multiple times a day rather than a large quantity all at once.

Live Food Vs. Prepared Foods – Considerations For Feeding Altum Angelfish

When it comes to feeding altum angelfish, there are factors to consider when deciding between live foods and prepared foods. Here are key points to keep in mind:

  • Nutritional value: Live foods, such as brine shrimp and bloodworms, offer higher nutritional value compared to prepared foods. They closely resemble the natural diet of altum angelfish and provide essential nutrients.
  • Convenience: Prepared foods, such as flakes and pellets, are more convenient as they are readily available and can be easily stored. They also come in a variety of options to suit different dietary needs.
  • Disease risk: Live foods, although nutritious, can carry parasites or diseases if not properly sourced or handled. It is important to ensure any live foods you offer are from a reputable source and are properly cleaned before feeding.
  • Cost: Prepared foods are generally more cost-effective in the long run, as live foods can be more expensive and may require additional effort for proper maintenance and preparation.

Meeting The Nutritional Needs Of Altum Angelfish For Optimal Health And Growth

Proper nutrition is essential for the optimal health and growth of altum angelfish. Here are key points to ensure their nutritional needs are met:

  • Balanced diet: Offer a variety of foods, including high-quality flakes, pellets, frozen or live foods, and occasional vegetables or fruits. This will provide them with a well-rounded diet and essential nutrients.
  • Feeding frequency: Feed your altum angelfish small portions multiple times a day. This mimics their natural feeding behavior and ensures they receive enough food without overeating.
  • Water quality: Good water quality is crucial for the overall health of your fish. Regular water changes, proper filtration, and maintaining appropriate water parameters will contribute to their well-being and help them thrive.
  • Monitoring growth: Keep an eye on the growth of your altum angelfish. If you notice any abnormalities or slow growth, consult with a veterinarian or experienced aquarist to ensure their nutritional needs are being met.

Providing a varied and balanced diet, considering the benefits and risks of live foods versus prepared foods, and ensuring their nutritional needs are met are vital aspects of feeding and caring for altum angelfish. By following these guidelines, you can help enhance their health and enjoy their beauty in your aquarium.

Breeding Altum Angelfish

The Lifecycle And Breeding Behavior Of Altum Angelfish

Altum angelfish, also known as pterophyllum altum, are fascinating freshwater fish known for their tall, majestic bodies and graceful movements. Breeding altum angelfish can be a rewarding experience for aquarists. Here are some key points about their lifecycle and breeding behavior:

  • Altum angelfish have a complex lifecycle, starting as eggs and progressing through various stages before becoming fully grown adults.
  • Breeding behavior typically begins with a male and female pair displaying courtship rituals, such as swimming alongside each other and performing graceful movements.
  • The female altum angelfish will lay eggs on a prepared surface, usually a flat leaf or a piece of slate, which the male will then fertilize.
  • After fertilization, the eggs are carefully guarded by the parents, who fan them with their fins to maintain oxygen flow and prevent fungus growth.
  • The eggs typically hatch within 48 to 72 hours, revealing tiny and delicate fry.
  • Once the fry have hatched, they will initially feed off their yolk sacs before transitioning to small food particles, such as newly hatched brine shrimp or finely crushed flakes.
  • Altum angelfish fry require intricate care, including stable water conditions, proper filtration, and frequent water changes to ensure their health and growth.
  • The fry should be provided with ample hiding spaces in the form of plants or specially designed structures to reduce stress and minimize aggression among siblings.
  • As the fry grow, they will undergo various growth stages, developing their distinctive vertical body shape and unique fin patterns.
  • Altum angelfish reach sexual maturity at around 6 to 8 months of age, but they may not start breeding until they are older and have established their dominance within a social hierarchy.

Breeding altum angelfish requires patience, attention to detail, and a thorough understanding of their natural behavior and habitat requirements. With proper care and dedication, witnessing the entire lifecycle of these magnificent fish can be a truly captivating experience.

Preparing For Successful Breeding Of Altum Angelfish

Breeding altum angelfish successfully involves careful preparation and a conducive environment. Here are some essential points to consider:

  • Ensure your aquarium setup is spacious enough for a breeding pair of altum angelfish, with a minimum tank size of 50 gallons.
  • Maintain stable water parameters, including a temperature between 78-82°f (25-28°c), ph level around 6.5-7, and soft to slightly acidic water.
  • Provide ample hiding spots and dense vegetation, such as tall plants like amazon swords or floating plants like amazon frogbit, to create a natural and secure environment.
  • Select a compatible male and female pair of altum angelfish, preferably from the same lineage, to increase the likelihood of successful breeding.
  • Condition the breeding pair by offering them a varied diet of live or frozen foods like bloodworms, brine shrimp, and high-quality pellets.
  • Gradually increase the frequency and amount of feeding to enhance their breeding readiness.
  • Simulate the rainy season, which triggers breeding behavior in altum angelfish, by reducing water temperature and increasing water flow through partial water changes.
  • Provide a suitable substrate, such as fine sand or pebbles, for the eggs to adhere to during spawning.

By preparing an optimal breeding environment and ensuring the health and readiness of your altum angelfish pair, you can greatly increase your chances of successful breeding and the subsequent joy of witnessing the growth of their offspring.

Raising Altum Angelfish Fry: Tips And Considerations

Raising altum angelfish fry can be a challenging yet rewarding endeavor. Here are some essential tips and considerations to help you in this process:

  • Ensure adequate nutrition for the fry by providing them with a varied diet, including infusoria, baby brine shrimp, microworms, and powdered fry food.
  • Regularly observe the fry for signs of growth and health, adjusting their feeding schedule and diet as they develop.
  • Maintaining pristine water quality is crucial, as altum angelfish fry are sensitive to fluctuations in parameters such as ammonia, nitrite, and nitrate levels.
  • Consider using a sponge filter or a gentle air-driven filter to avoid suctioning the delicate fry and to provide gentle water movement.
  • Provide appropriate hiding places within the aquarium, such as fine-leaved plants or commercial fry traps, to protect the fry from potential predators within the same tank.
  • Perform frequent partial water changes to maintain high water quality and prevent the buildup of harmful substances.
  • Optimize the rearing tank’s lighting by using subdued lighting or floating plants to create a more natural and calming environment for the fry.
  • Monitor the fry for any signs of aggression or stress, such as nipping at each other’s fins, and separate them if necessary to prevent injury.
  • Gradually increase the tank size as the fry grow to allow for proper development and reduce the likelihood of overcrowding.
  • Keep a close eye on the fry’s behavior and health, addressing any issues promptly to ensure their well-being and future success.

Raising altum angelfish fry requires constant care, attention to detail, and the willingness to adapt your approach as they grow. With time and dedication, you can witness these beautiful fish thrive and reach their full potential.

Frequently Asked Questions Of Altum Angelfish

How Big Do Altum Angelfish Grow?

Altum angelfish can grow up to 8 inches in size, making them a majestic addition to any aquarium.

What Should I Feed My Altum Angelfish?

Altum angelfish prefer a diet of live or frozen foods such as brine shrimp, bloodworms, and small insects.

Can Altum Angelfish Be Kept With Other Fish?

Altum angelfish are generally peaceful, but they may become territorial during breeding season. It is recommended to keep them with similarly sized and peaceful tank mates.

How Often Should I Change The Water In My Altum Angelfish Tank?

Regular water changes of 20-30% every two weeks are recommended to maintain clean and healthy water conditions for your altum angelfish.

Are Altum Angelfish Suitable For Beginners?

Altum angelfish require experienced care due to their sensitivity and specific water conditions. They are not typically recommended for beginners in the aquarium hobby.


Altum angelfish are a fascinating and beautiful addition to any aquarium. Their elegant appearance, with their tall, elongated bodies and striking vertical stripes, make them a popular choice among fish enthusiasts. These gentle giants require specific care, with attention to water quality, temperature, and appropriate tank mates.

By providing a well-maintained environment and a balanced diet, they can thrive and display their natural behavior. Altum angelfish are known for their peaceful nature, making them compatible with a variety of other fish species. Their graceful movements and distinctive look can create a visually captivating display in any aquarium setting.

It is important to note that these fish are sensitive and require a more experienced hand when it comes to maintaining their ideal habitat conditions. Altum angelfish are a prized addition to any aquarium due to their unique appearance and peaceful nature.

By providing the proper care and attention, aquarists can enjoy the beauty and grace of these magnificent creatures for years to come.


Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top