Regal rainbowfish
Minimum Tank Volume 30.1 Gallon |
Recommended Tank Volume 50.2 Gallon (for groups of 6 or more) |
Maximum Adult Length 5.9 inch |
Average Adult Length 4.7 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, hard, alkaline |
Minimum Group Size 6 |
Temperature Range (°C) 24–30 |
pH Range 7.0–8.0 |
Water Hardness (dGH) 8–18 |
Typical Lifespan (years) 5 years |
Minimum Tank Volume 30.1 Gallon | Recommended Tank Volume 50.2 Gallon (for groups of 6 or more) |
Maximum Adult Length 5.9 inch | Average Adult Length 4.7 inch |
Shoaling (6+ required) Yes | Preferred Water Type Freshwater, hard, alkaline |
Minimum Group Size 6 | Temperature Range (°C) 24–30 |
pH Range 7.0–8.0 | Water Hardness (dGH) 8–18 |
Typical Lifespan (years) 5 years |
Introduction
The Regal rainbowfish, scientifically known as Melanotaenia trifasciata, is a vibrant and active freshwater species cherished by aquarists for its striking colors and dynamic behavior. Native to northern Australia, this species exhibits a shimmering array of hues that can transform any aquarium into a lively display. Suitable for both beginner and intermediate fishkeepers, the Regal rainbowfish is relatively hardy and adaptable, making it an excellent choice for community tanks.
What makes the Regal rainbowfish a popular choice among aquarists?
Its dazzling coloration, active swimming patterns, and peaceful nature make it a standout addition to freshwater aquariums.
Is the Regal rainbowfish suitable for novice fishkeepers?
Yes, due to its hardiness and adaptability, it's well-suited for those new to the hobby.
Care and Environment
Proper care of the Regal rainbowfish involves attention to tank size, water parameters, diet, and tank setup to ensure a healthy and vibrant environment.
What is the minimum tank size for a Regal rainbowfish?
A minimum of 114 liters (30 gallons) is recommended to provide adequate swimming space for these active fish. For groups, a larger tank of 190 liters (50 gallons) or more is ideal.
What are the ideal water parameters for Regal rainbowfish?
Maintain a temperature between 24°C and 30°C (75°F to 86°F), a pH range of 7.0 to 8.0, and water hardness between 8 to 18 dGH.
How should the tank be set up for Regal rainbowfish?
Incorporate a sandy substrate with dense vegetation and open swimming areas. Ensure the tank is securely covered, as these fish are known jumpers.
Filtration should be efficient to maintain water quality, and moderate lighting will enhance their natural colors. Feed them a varied diet of high-quality flakes or pellets supplemented with live or frozen foods like bloodworms and brine shrimp.
Origin and Habitat
The Regal rainbowfish is indigenous to the streams and waterways across northern Australia, particularly in regions of Queensland and the Northern Territory. These habitats are characterized by clear, well-oxygenated waters with abundant aquatic vegetation and sandy substrates. Seasonal variations can affect water flow and temperature, influencing their natural behaviors and breeding patterns.
Where can Regal rainbowfish be found in the wild?
They are native to northern Australia, especially in Queensland and the Northern Territory.
What type of environments do they inhabit?
They thrive in clear, well-oxygenated streams with abundant vegetation and sandy bottoms.
Temperament and Compatibility
Regal rainbowfish are peaceful and social, making them excellent candidates for community aquariums. They are shoaling fish and should be kept in groups of six or more to promote natural behaviors and reduce stress.
Are Regal rainbowfish aggressive?
No, they are generally peaceful but may display mild aggression during breeding seasons.
What are suitable tank mates for Regal rainbowfish?
Compatible companions include similarly sized, non-aggressive species such as larger tetras, peaceful barbs, rasboras, danios, and non-aggressive cichlids like Kribensis.
It's advisable to avoid housing them with significantly smaller fish, as they may be perceived as prey, and to monitor interactions during breeding periods to ensure harmony within the tank.
Interesting Facts
The Regal rainbowfish is renowned for its ability to change colors based on mood, lighting, and environmental conditions, adding a dynamic visual element to aquariums. Males often display more vibrant colors, especially during courtship or territorial displays.
How do Regal rainbowfish reproduce?
They are egg scatterers, laying eggs among vegetation or spawning mops. After spawning, it's recommended to remove the adults to prevent them from consuming the eggs.
What is the lifespan of a Regal rainbowfish?
With proper care, they can live between 5 to 8 years in captivity.
Sources
All information in this article has been gathered from the following reputable sources: