Spotted blue-eye
Introduction
The Spotted Blue-eye (Pseudomugil gertrudae) is a captivating freshwater fish cherished by aquarists for its vibrant colors and dynamic behavior. Native to Australia and New Guinea, this small species is ideal for nano and planted aquariums. Its peaceful nature and manageable care requirements make it suitable for both novice and intermediate fishkeepers.
What makes the Spotted Blue-eye a popular choice among aquarists?
Its striking appearance, active schooling behavior, and compatibility with small, peaceful tank mates contribute to its popularity.
Is the Spotted Blue-eye suitable for beginners?
Yes, with proper care and attention to water quality, it is well-suited for beginners.
Care and Environment
Providing optimal care for the Spotted Blue-eye involves replicating its natural habitat and meeting its specific needs.
What is the minimum tank size for a Spotted Blue-eye?
A minimum of 20 liters is recommended for a small group, but larger tanks are preferable for stability and space.
What water parameters are ideal for this species?
Maintain a temperature between 23–30°C, pH of 5.2–7.6, and water hardness of 5–12 dGH.
How should the tank be set up?
Use a fine sand or gravel substrate, incorporate driftwood and live plants like Java Moss, and include floating plants to diffuse light.
What are their feeding requirements?
Offer a varied diet of high-quality micro-pellets, crushed flakes, and live or frozen foods such as brine shrimp and daphnia.
Are there any specific challenges in keeping Spotted Blue-eyes?
They are sensitive to water quality fluctuations, so regular maintenance and monitoring are essential.
Origin and Habitat
The Spotted Blue-eye is indigenous to northern Australia and New Guinea, inhabiting slow-moving streams, swamps, and lagoons. These environments are often shallow, densely vegetated, and have soft, slightly acidic to neutral water conditions.
What type of water bodies do they naturally inhabit?
They are found in small, slow-moving streams, pools, and swamps with dense vegetation.
Do they experience seasonal variations in their habitat?
Yes, their habitats can experience seasonal changes, including variations in water levels and temperature.
Temperament and Compatibility
Spotted Blue-eyes are peaceful, shoaling fish that thrive in groups of at least 6–8 individuals. They are best kept with similarly sized, non-aggressive species.
Are Spotted Blue-eyes suitable for community tanks?
Yes, when housed with small, peaceful species like neon tetras, rasboras, and dwarf shrimp.
Do they exhibit any aggressive behaviors?
Generally peaceful, but males may display competitive behaviors during breeding.
What should be avoided when selecting tank mates?
Avoid larger or aggressive species that may intimidate or outcompete them.
Interesting Facts
Spotted Blue-eyes are known for their vibrant courtship displays, where males showcase their colors and fin movements to attract females. They are also relatively short-lived, with a typical lifespan of 3–5 years.
How do males attract females during breeding?
Males perform elaborate displays, enhancing their colors and fin movements.
What is their typical lifespan in captivity?
They usually live between 3 to 5 years with proper care.
Sources
All information in this article has been gathered from the following reputable sources:
Overview
Recommended Tank Size 10.6 Gallon (for groups of 6 or more) |
Minimum Group Size 6 |
Minimum Tank Volume 5.3 Gallon |
Maximum Adult Length 1.4 inch |
Average Adult Length 1 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, soft, slightly acidic to neutral |
Temperature Range (°C) 23–30 |
pH Range 5.2–7.6 |
Water Hardness (dGH) 5–12 |
Typical Lifespan (years) 3 years |