

The Pacific Blue Eye is a captivating nano fish native to eastern Australia, renowned for its shimmering silver body and striking blue irises. With their graceful movements and peaceful demeanor, these fish are ideal for community aquariums, especially those that are heavily planted. Their adaptability to various water conditions and active schooling behavior make them a favorite among aquarists.
Scientific Name: Pseudomugil signifer
Common Names: Pacific Blue Eye, Blue-eye Rainbowfish
Size: Up to 7 cm (2.75 inches)
Lifespan: 1–2 years; up to 3 years in optimal conditions
Temperament: Peaceful; thrives in groups of 6 or more
Diet: Omnivorous – accepts high-quality flake food, micro-pellets, and small live or frozen foods like brine shrimp and daphnia
Water Parameters:
Temperature: 22–28°C (72–82°F)
pH Level: 6.5–7.5
Hardness: 5–15 dGH
Minimum Tank Size: 40 liters (10 gallons).
Vibrant Appearance: Their iridescent bodies and bright blue eyes add a dynamic visual appeal to any aquarium.
Active Schooling Behavior: Best kept in groups, they exhibit lively and synchronized swimming patterns.
Hardy and Adaptable: Suitable for both novice and experienced aquarists due to their resilience and ease of care.
Community-Friendly: Peaceful disposition allows them to coexist with a variety of tank mates.
Substrate: Fine gravel or sand to mimic natural habitats.
Decor: Incorporate live plants, driftwood, and rocks to provide hiding spots and reduce stress.
Filtration: Efficient filtration system to maintain high water quality; ensure gentle water flow.
Lighting: Moderate lighting to enhance their coloration and support plant growth.
Tank Cover: Secure lid recommended, as they may jump if startled.
Pacific Blue Eyes are compatible with other peaceful species, such as:
Corydoras Catfish
Avoid housing with aggressive or significantly larger fish that may cause stress or pose a threat.
Staple Diet: High-quality flake food or micro-pellets.
Supplementary Foods: Small live or frozen foods like brine shrimp, daphnia, and bloodworms.
Feeding Frequency: Once or twice daily; offer only as much as they can consume in 2–3 minutes.
Are Pacific Blue Eyes suitable for beginners?
Yes, their hardy nature and peaceful temperament make them ideal for novice aquarists.
Can they be kept in outdoor ponds?
They prefer stable, warm temperatures and are best kept in indoor aquariums.
Do they require a heater?
Yes, maintaining a stable temperature between 22–28°C (72–82°F) is ideal.
Are they safe for planted tanks?
Absolutely; they are plant-friendly and may even benefit from the cover provided by aquatic vegetation.
Bring home the elegance of Pacific Blue Eyes and elevate your tank with their captivating beauty and social charm. Shop now at Fish Hut Aqua and discover why these Australian natives are a favorite among aquarists.
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