Description
Scientific Name: Pseudomugil luminatus (often sold as Pseudomugil paskai or “Red Neon” in the hobby) Common Names: Red Neon Blue-eye, Paskai’s Blue-eye, Red Neon Rainbowfish Origin: New Guinea (specifically Papua)
Physical Characteristics This is widely considered one of the most beautiful freshwater nano fish in the world.
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The “Blue Eyes”: As the family name suggests, they have bright, glowing blue irises that stand out sharply against their warm-colored bodies.
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Coloration: The body is a semi-transparent, vibrant orange-red. A neon stripe often runs along the back.
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Fins: This is the main attraction. Males possess two dorsal fins (top fins). The fins are yellow or orange with distinct black spots. When males display, they raise these fins high in a “V” shape, looking like tiny butterflies.
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Size: They are very small, growing to only 1.2 to 1.5 inches (3–3.5 cm).
Behavior and Temperament
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Shoaling: They are social fish that must be kept in groups of 6 to 8 or more. If kept alone, they lose their color and hide.
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The “Dance”: The males are famous for their sparring dance. They do not hurt each other; instead, they flare their fins and circle each other to show off for females. It is very entertaining to watch.
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Peaceful: They are completely harmless. However, because they are so small, they should not be kept with large or aggressive fish that might eat them. Good tank mates include Pygmy Corydoras, small Tetras, and Shrimp.
Care and Habitat
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Tank Size: A 10 to 15-gallon planted tank is perfect.
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Water Conditions: They prefer stable tropical water.
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Temperature: 73°F – 79°F (23°C – 26°C)
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pH: 6.5 – 7.5
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Diet: They have tiny mouths and throats. You must feed them micro-foods. Crushed high-quality flakes, baby brine shrimp, and microworms are essential. Large pellets will be too big for them to swallow.
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