Red Neon Blue Eye Rainbowfish Care Guide

Pseudomugil luminatus · Freshwater Fish

Red Neon Blue Eye Rainbowfish
AI-generated illustration of Red Neon Blue Eye Rainbowfish
Temperature
72-82°F
pH
7.0-8.0
Adult size
~1.5″ (3.8 cm)
Suggested tank
10+ gal
Group size
6+ together
Origin
Australasia
Family
Pseudomugilidae

What Red Neon Blue Eye Rainbowfish look like

Pseudomugil luminatus, commonly known as the Red Neon Blue Eye Rainbowfish, exhibits a diminutive, fusiform body shape, typically reaching a maximum adult size of approximately 1.5 inches (3.8 cm). The species displays notable sexual dimorphism; males are characterized by elongated fin extensions, particularly the dorsal and anal fins, which exhibit vibrant red-orange hues, while females possess a more robust, rounded body with less pronounced fin development. The overall coloration is a warm reddish hue, complemented by strikingly vivid neon blue eyes, which serve as a distinguishing feature. The fish's body is laterally compressed, enhancing its hydrodynamic capabilities. Additionally, Pseudomugil luminatus possesses a well-defined lateral line system, aiding in the detection of water movements, and features a small, terminal mouth equipped with fine, comb-like teeth adapted for grazing on small food particles.

Behavior & temperament

Inhabiting shallow, densely vegetated areas of freshwater streams and lagoons, Pseudomugil luminatus is typically found in the upper water column, exhibiting a pelagic lifestyle. This species is generally social, often forming loose schools that provide safety in numbers, although it can also be observed in solitary behavior. The breeding behavior is characterized as an egg scatterer, with females releasing adhesive eggs among aquatic vegetation, where they adhere until hatching. The temperament of the Red Neon Blue Eye Rainbowfish is generally peaceful, making it suitable for community tanks, although males may display mild aggression towards one another during breeding displays.

Diet & feeding

In the wild, Pseudomugil luminatus is an omnivore, feeding on a varied diet that includes small invertebrates, zooplankton, and plant matter. In captivity, it thrives on high-quality flake foods, micro-pellets, and live or frozen foods such as brine shrimp and daphnia to ensure a balanced diet.

Behind the name

Pseudomugil (false mugil); luminatus (illuminated or bright).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Red Neon Blue Eye Rainbowfish?

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