Pearl danio
Minimum Tank Volume 20 Gallon |
Recommended Tank Volume 20 Gallon (for groups of 5 or more) |
Maximum Adult Length 2.4 inch |
Average Adult Length 2.4 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, slightly acidic to neutral |
Minimum Group Size 5 |
Temperature Range (°C) 18–23.5 |
pH Range 6.5–7.0 |
Water Hardness (dGH) 5–12 |
Typical Lifespan (years) 5 years |
Minimum Tank Volume 20 Gallon | Recommended Tank Volume 20 Gallon (for groups of 5 or more) |
Maximum Adult Length 2.4 inch | Average Adult Length 2.4 inch |
Shoaling (6+ required) Yes | Preferred Water Type Freshwater, slightly acidic to neutral |
Minimum Group Size 5 | Temperature Range (°C) 18–23.5 |
pH Range 6.5–7.0 | Water Hardness (dGH) 5–12 |
Typical Lifespan (years) 5 years |
Introduction
The Pearl Danio (Danio albolineatus) is a captivating freshwater fish cherished by aquarists for its shimmering, iridescent body that reflects hues of blue and violet. Accentuated by a subtle orange-red stripe along its side, this species adds a dynamic splash of color to any aquarium. Renowned for their hardiness and peaceful nature, Pearl Danios are ideal for both novice and experienced fishkeepers seeking an active and visually appealing addition to their tanks.
Care and Environment
Providing optimal care for Pearl Danios involves replicating their natural habitat and meeting their specific needs to ensure a healthy and vibrant life.
What is the minimum tank size required for Pearl Danios?
A minimum tank size of 75 liters is recommended to accommodate a small group of Pearl Danios, allowing ample space for swimming and social interaction.
What are the ideal water parameters for Pearl Danios?
Pearl Danios thrive in water temperatures between 18–23.5°C, with a pH range of 6.5–7.0 and water hardness between 5–12 dGH. Maintaining these parameters is crucial for their well-being.
How should the tank be set up to mimic their natural environment?
Incorporate fine sand or gravel substrate, and add live plants such as Java Fern, Anubias, and Vallisneria to provide shelter and mimic their natural habitat. Floating plants like duckweed can help diffuse light and create shaded areas, offering comfort to the fish.
Ensure the tank is equipped with a gentle filtration system to maintain clean water without creating strong currents, as Pearl Danios prefer moderate water flow. Regular water changes of 20–30% weekly are recommended to keep the environment pristine.
Feeding Pearl Danios a varied diet is essential. They are omnivores and will accept high-quality flake or pellet foods as staples. Supplement their diet with live or frozen foods like brine shrimp, daphnia, and bloodworms to enhance their coloration and health. Feeding small portions 2–3 times daily is advisable.
Be aware that Pearl Danios are known jumpers. A well-fitted aquarium lid is necessary to prevent them from leaping out of the tank.
Origin and Habitat
Pearl Danios are native to Southeast Asia, specifically found in countries such as Myanmar, Thailand, Malaysia, and Indonesia. They inhabit clear, fast-moving streams and rivers with moderate currents and abundant vegetation. These environments provide ample hiding spots and breeding grounds, which are essential for their survival. The water in these habitats typically has a temperature range of 22–26°C and a pH between 6.0–7.5. Replicating these conditions in the aquarium can help ensure the health and vibrancy of Pearl Danios.
Temperament and Compatibility
Pearl Danios are peaceful and social fish, making them excellent candidates for community aquariums. They are shoaling species and should be kept in groups of at least five to eight individuals to promote natural behaviors and reduce stress.
What types of tank mates are suitable for Pearl Danios?
Compatible tank mates include other peaceful species such as tetras, rasboras, livebearers, and small catfish. These species share similar water parameter requirements and temperaments, creating a harmonious tank environment.
Are there any species that should be avoided as tank mates?
It's advisable to avoid housing Pearl Danios with larger, aggressive fish or fin-nipping species, as they may harass or prey upon the Danios, leading to stress or injury.
Providing ample swimming space and hiding spots with plants and decorations can help minimize potential aggression and ensure a peaceful community tank.
Interesting Facts
Pearl Danios have been a staple in the aquarium trade for many years, appreciated for their resilience and ease of care. They are known for their active swimming patterns and can often be seen darting around the tank, adding lively movement to the aquarium.
How can you differentiate between male and female Pearl Danios?
Males are typically smaller, slimmer, and more colorful, often displaying a red tint along the ventral aspect. Females are generally rounder, especially when carrying eggs.
What is unique about their breeding behavior?
Pearl Danios are egg scatterers and will spawn as pairs or in a school. They scatter their eggs among plants or over a substrate, and it's common practice to remove adults post-spawning to prevent them from consuming the eggs.
These fascinating behaviors and characteristics make Pearl Danios a delightful addition to any freshwater aquarium.
Sources
All information in this article has been gathered from the following reputable sources: