Dority’s rainbowfish
Minimum Tank Volume 29 Gallon |
Recommended Tank Volume 53 Gallon (suitable for groups of 6 or more) |
Maximum Adult Length 3.9 inch |
Average Adult Length 3.1 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, soft to moderately hard, slightly acidic to neutral |
Minimum Group Size 6 |
Temperature Range (°C) 24–27 |
pH Range 6.5–7.8 |
Water Hardness (dGH) 12–16 |
Typical Lifespan (years) 7 years |
Minimum Tank Volume 29 Gallon | Recommended Tank Volume 53 Gallon (suitable for groups of 6 or more) |
Maximum Adult Length 3.9 inch | Average Adult Length 3.1 inch |
Shoaling (6+ required) Yes | Preferred Water Type Freshwater, soft to moderately hard, slightly acidic to neutral |
Minimum Group Size 6 | Temperature Range (°C) 24–27 |
pH Range 6.5–7.8 | Water Hardness (dGH) 12–16 |
Typical Lifespan (years) 7 years |
Introduction
Dority’s rainbowfish (Glossolepis dorityi) is a captivating freshwater species cherished by aquarists for its vibrant coloration and peaceful demeanor. Native to the Grime River region of northern West Papua, Indonesia, this species thrives in well-planted aquariums and is suitable for both beginner and intermediate fishkeepers. With proper care, Dority’s rainbowfish can become a stunning centerpiece in a community tank.
What makes Dority’s rainbowfish appealing to aquarists?
Their striking colors and active schooling behavior add dynamic movement and visual interest to aquariums.
Is Dority’s rainbowfish suitable for beginners?
Yes, their hardy nature and peaceful temperament make them an excellent choice for novice fishkeepers.
Care and Environment
Providing optimal care for Dority’s rainbowfish involves attention to tank size, water parameters, and environmental enrichment.
What is the minimum tank size for Dority’s rainbowfish?
A minimum tank size of 110 liters is recommended to accommodate their active swimming behavior.
What are the ideal water parameters for Dority’s rainbowfish?
Maintain a temperature between 24°C and 27°C, a pH of 6.5 to 7.8, and water hardness between 12 to 16 dGH.
Ensure efficient filtration and moderate water flow to replicate their natural riverine habitat. Regular water changes are essential to maintain water quality.
Incorporate live plants such as Java fern and Anubias to provide cover and mimic their native environment. A dark, fine-grained substrate enhances their coloration and offers a natural setting.
As omnivores, Dority’s rainbowfish thrive on a varied diet. Offer high-quality flake or pellet foods supplemented with live or frozen options like brine shrimp and daphnia to promote health and vibrant colors.
Be mindful of their sensitivity to sudden environmental changes. Gradual adjustments in water parameters and consistent maintenance routines help prevent stress.
How often should Dority’s rainbowfish be fed?
Feed them small amounts two to three times daily, ensuring they consume all food within a few minutes to prevent overfeeding.
Origin and Habitat
Dority’s rainbowfish is endemic to the Grime River system in northern West Papua, Indonesia. They inhabit heavily vegetated lakes and river outlets, particularly areas with dense aquatic vegetation. These environments are characterized by warm, clear waters with moderate flow, providing ample cover and feeding opportunities.
What type of environment does Dority’s rainbowfish prefer?
They thrive in densely planted areas with moderate water flow, similar to their natural habitats in the Grime River system.
Are there any conservation concerns for Dority’s rainbowfish?
Yes, habitat modification and competition with non-native species have impacted their wild populations, making conservation efforts important.
Temperament and Compatibility
Dority’s rainbowfish are peaceful, schooling fish that exhibit their best behavior and coloration when kept in groups of six or more. They are active swimmers and prefer the upper levels of the aquarium.
Can Dority’s rainbowfish be kept with other fish species?
Yes, they are compatible with other peaceful community fish such as tetras, rasboras, and dwarf cichlids.
Do Dority’s rainbowfish display aggression?
They are generally non-aggressive but may show increased activity during breeding periods.
To create a harmonious community tank, avoid housing them with aggressive or fin-nipping species. Providing ample swimming space and hiding spots helps reduce stress and promotes natural behaviors.
Interesting Facts
Dority’s rainbowfish males are known for their distinctive zigzag red stripes running horizontally along their bodies, which become more intense during courtship displays. This unique pattern sets them apart from other rainbowfish species.
How can you distinguish between male and female Dority’s rainbowfish?
Males exhibit vibrant red stripes and elongated dorsal fins, while females are more subdued in color and lack the pronounced striping.
What is the typical lifespan of Dority’s rainbowfish?
With proper care, they can live up to 7 years, making them a long-term commitment for aquarists.
Breeding Dority’s rainbowfish is relatively straightforward. They are egg scatterers and will deposit eggs among fine-leaved plants or spawning mops. After spawning, it's advisable to remove the adults to prevent them from consuming the eggs. The eggs typically hatch within a week, and the fry can be fed infusoria or commercially available fry food until they are large enough to consume standard fare.
Sources
All information in this article has been gathered from the following reputable sources: