Redhump eartheater
Minimum Tank Volume 50 Gallon |
Recommended Tank Volume 125 Gallon (for groups of 6 or more) |
Maximum Adult Length 5.9 inch |
Average Adult Length 4.7 inch |
Shoaling (6+ required) No |
Preferred Water Type Freshwater, soft to moderately hard, slightly acidic to neutral |
Minimum Group Size 1 |
Temperature Range (°C) 23–27 |
pH Range 6.5–7.0 |
Water Hardness (dGH) 5–15 |
Typical Lifespan (years) 10 years |
Minimum Tank Volume 50 Gallon | Recommended Tank Volume 125 Gallon (for groups of 6 or more) |
Maximum Adult Length 5.9 inch | Average Adult Length 4.7 inch |
Shoaling (6+ required) No | Preferred Water Type Freshwater, soft to moderately hard, slightly acidic to neutral |
Minimum Group Size 1 | Temperature Range (°C) 23–27 |
pH Range 6.5–7.0 | Water Hardness (dGH) 5–15 |
Typical Lifespan (years) 10 years |
Introduction
The Redhump Eartheater (Geophagus steindachneri) is a captivating freshwater fish renowned for its distinctive red nuchal hump and engaging behavior. This species is particularly appealing to aquarists due to its unique sand-sifting feeding habits and relatively peaceful temperament. With proper care, the Redhump Eartheater can thrive in home aquariums, making it an excellent choice for both novice and experienced fishkeepers.
What makes the Redhump Eartheater a popular choice among aquarists?
Its striking appearance, combined with its interactive feeding behavior and adaptability, makes it a favorite among fish enthusiasts.
Is the Redhump Eartheater suitable for beginners?
Yes, with appropriate tank conditions and care, this species is well-suited for beginner aquarists.
Care and Environment
Providing optimal care for the Redhump Eartheater involves attention to tank size, water parameters, diet, and habitat setup.
What is the minimum tank size for a Redhump Eartheater?
A minimum of 189 liters (50 gallons) is recommended for a single male with females. For multiple males, a larger tank of at least 473 liters (125 gallons) is advisable to prevent territorial disputes.
What are the ideal water parameters for this species?
Maintain a temperature between 23°C and 27°C (73.4°F to 80.6°F), a pH range of 6.5 to 7.0, and water hardness between 5 to 15 dGH.
How should the tank be set up to accommodate their natural behaviors?
Use a fine sand substrate to facilitate their sand-sifting feeding habits. Incorporate driftwood, caves, and smooth rocks to provide hiding spots and territorial boundaries. While they may uproot delicate plants, robust, well-rooted species can be included. Ensure the tank has efficient filtration to handle their digging behavior and maintain water quality.
What should their diet consist of?
As omnivores, they thrive on a varied diet including high-quality pellets, flakes, live or frozen foods like bloodworms, brine shrimp, and vegetable matter. Feeding small portions multiple times a day aligns with their natural foraging behavior and helps maintain water quality.
Are there any specific challenges in keeping Redhump Eartheaters?
They can become territorial during breeding, especially males. It's advisable to keep only one male per tank unless the aquarium is large enough to accommodate multiple territories. Regular monitoring and maintenance are essential to ensure a healthy environment.
Origin and Habitat
Native to South America, the Redhump Eartheater inhabits the upper reaches of the Rio Magdalena and its tributaries in Colombia. They are typically found in slow-moving rivers and streams with sandy substrates, where they exhibit their characteristic sand-sifting behavior to forage for food. The natural environment is often adorned with leaf litter and submerged roots, providing ample hiding spots and breeding grounds.
What type of water bodies do they naturally inhabit?
They are found in slow-moving rivers and streams with sandy bottoms, rich in leaf litter and submerged roots.
How does their natural habitat influence their behavior in aquariums?
Their sand-sifting feeding behavior and preference for hiding spots are directly influenced by their natural environment, necessitating similar conditions in captivity.
Temperament and Compatibility
Redhump Eartheaters are generally peaceful but can exhibit territorial behavior, particularly during breeding seasons. Males may become aggressive towards each other, so it's recommended to keep only one male per tank unless the aquarium is sufficiently large to accommodate multiple territories.
What are suitable tank mates for Redhump Eartheaters?
Compatible companions include peaceful, similarly sized fish such as Severum Cichlids, Festivum Cichlids, Geophagus Surinamensis, Silver Dollars, and Bala Sharks.
Are there any fish species to avoid housing with them?
Avoid aggressive species or fin-nippers, as they can cause stress and injury to the Redhump Eartheater.
How can one create a harmonious tank community with Redhump Eartheaters?
Provide ample space, establish clear territories with decorations, and choose tank mates with similar temperaments and environmental requirements.
Interesting Facts
The Redhump Eartheater is known for its unique feeding strategy, where it takes mouthfuls of substrate, sifts out edible particles, and expels the rest through its gills. Males develop a prominent red nuchal hump as they mature, which is used to attract females during breeding displays.
How do they reproduce?
They are maternal mouthbrooders; after spawning, the female carries the fertilized eggs in her mouth until they hatch and the fry are ready to swim freely.
What is their lifespan in captivity?
With proper care, they can live up to 10-12 years, providing long-term companionship for aquarists.
Sources
All information in this article has been gathered from the following reputable sources: