Redhook myleus
Minimum Tank Volume 70 Gallon |
Recommended Tank Volume 105.7 Gallon (for groups of 5 or more) |
Maximum Adult Length 9.8 inch |
Average Adult Length 7.9 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, soft, acidic |
Minimum Group Size 5 |
Temperature Range (°C) 23-27 |
pH Range 6.0-7.0 |
Water Hardness (dGH) 10 |
Typical Lifespan (years) 5 years |
Minimum Tank Volume 70 Gallon | Recommended Tank Volume 105.7 Gallon (for groups of 5 or more) |
Maximum Adult Length 9.8 inch | Average Adult Length 7.9 inch |
Shoaling (6+ required) Yes | Preferred Water Type Freshwater, soft, acidic |
Minimum Group Size 5 | Temperature Range (°C) 23-27 |
pH Range 6.0-7.0 | Water Hardness (dGH) 10 |
Typical Lifespan (years) 5 years |
Introduction
The Redhook myleus (Myloplus rubripinnis), also known as the Red Hook Silver Dollar, is a captivating freshwater fish cherished by aquarists for its striking appearance and dynamic behavior. With its shimmering silver body and distinctive red-trimmed anal fin, this species adds a vibrant touch to any aquarium. While generally peaceful, the Redhook myleus requires specific care to thrive, making it suitable for aquarists with some experience.
What makes the Redhook myleus a popular choice among fishkeepers?
Its unique coloration and active schooling behavior make it a visually appealing addition to large community tanks.
Is the Redhook myleus suitable for beginners?
Due to its size and specific care requirements, it's better suited for aquarists with some experience.
Care and Environment
Proper care of the Redhook myleus involves attention to tank size, water parameters, diet, and tank setup.
What is the minimum tank size for a Redhook myleus?
A single Redhook myleus requires a minimum tank size of 265 liters (approximately 70 gallons). For a group, a larger tank of at least 400 liters (around 105 gallons) is recommended to accommodate their active nature and schooling behavior.
What are the ideal water parameters for this species?
Maintain a temperature between 23-27°C (73-81°F), a pH of 6.0-7.0, and water hardness up to 10°H.
How should the tank be set up for Redhook myleus?
Provide ample swimming space with open areas and sturdy plants. Be aware that they may nibble on plants, so using hardy species or artificial plants is advisable.
What should I feed my Redhook myleus?
They are primarily herbivorous, feeding on vegetable matter like zucchini, cucumber, peas, and spinach. They also accept algae wafers, spirulina, and occasional treats like bloodworms and brine shrimp.
Are there any specific challenges in keeping Redhook myleus?
They can be skittish and may jump when startled, so a secure tank lid is essential. Additionally, their plant-eating habits can make maintaining live plants challenging.
Origin and Habitat
Native to South America, the Redhook myleus inhabits the Amazon and Orinoco river basins, as well as rivers within the Guiana Shield. They are typically found in slower-moving river sections with dense overhanging vegetation.
What type of environment does the Redhook myleus prefer in the wild?
They favor calm river areas with abundant plant cover, providing both food and shelter.
How does their natural habitat influence their care in captivity?
Replicating a planted environment with subdued lighting can help them feel secure and exhibit natural behaviors.
Temperament and Compatibility
The Redhook myleus is a peaceful, schooling fish best kept in groups of at least five to reduce stress and encourage natural behavior.
Can Redhook myleus be kept with other fish?
Yes, they can coexist with other large, peaceful species. However, smaller fish may be at risk of being eaten.
What are suitable tank mates for Redhook myleus?
Larger peaceful catfish, such as plecos and doradids, make good companions, as they occupy different tank levels.
Do Redhook myleus exhibit any aggressive behaviors?
They are generally peaceful but may become skittish if not kept in appropriate group sizes or if the tank lacks sufficient space.
Interesting Facts
The Redhook myleus is often mistaken for other silver dollar species but can be distinguished by its prominent red-trimmed anal fin.
How large can Redhook myleus grow?
In the wild, they can reach up to 39 cm (15 inches), but in captivity, they typically grow to about 25 cm (10 inches).
Is breeding Redhook myleus in captivity common?
Breeding in home aquariums is rare and not well-documented.
Do Redhook myleus have any unique behaviors?
They are known for their schooling behavior and can be quite skittish, often jumping when startled, so a secure tank lid is essential.
Sources
All information in this article has been gathered from the following reputable sources: