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Promage Japanese Medaka Ricefish
The Promage Japanese Medaka Ricefish is a rare and eye-catching medaka variety known for its dark, black-based coloration combined with a subtle metallic sheen. This premium strain stands out for its deep tones and refined appearance, offering a more dramatic alternative to lighter medaka varieties. Hardy, adaptable, and easy to care for, Promage Medaka are an excellent choice for aquarists looking to add a unique, high-contrast fish to their aquarium or outdoor setup.
Approximate Shipping Size: 0.5 inches
Appearance
Promage Medaka feature a darker body coloration, often appearing black to charcoal with hints of metallic reflection across the scales. Under proper lighting, a subtle shimmer can be seen, giving the fish a sleek, polished look without overpowering its deep base color. As they mature, their coloration becomes richer and more defined, enhancing their bold, high-contrast appearance.
Temperament & Behavior
These ricefish are peaceful, social, and active swimmers that thrive in groups. They primarily occupy the upper levels of the aquarium and display natural schooling behavior when kept in groups of 6 or more, adding constant motion and visual interest.
Care Requirements
Promage Medaka are extremely hardy and adaptable, capable of thriving in a wide range of freshwater conditions. They perform well in both aquariums and outdoor tubs or ponds.
Tank Size: 10 gallons minimum
Temperature: 65–80°F
pH: 6.5–8.0
Hardness: Soft to moderate
Aquascape: Plants, floating plants, open swimming space
Tank Mates
Compatible with other peaceful species such as small tetras, rasboras, Corydoras, shrimp, and other ricefish. Avoid aggressive or predatory fish that may outcompete or stress them.
Diet & Feeding
Promage Medaka are omnivores that accept a wide range of foods including high-quality flakes, micro pellets, and frozen or live foods. Supplement with baby brine shrimp and daphnia to support healthy growth and enhance their natural coloration.
Quick Facts
Scientific Name: Oryzias latipes
Common Name: Promage Medaka, Japanese Ricefish
Care Level: Easy
Temperament: Peaceful, Social
Diet: Omnivore
Max Size: ~1.5 inches
Tank Level: Top
Breeding: Egg Layer (easy to breed)
The Promage Japanese Medaka Ricefish is a rare and eye-catching medaka variety known for its dark, black-based coloration combined with a subtle metallic sheen. This premium strain stands out for its deep tones and refined appearance, offering a more dramatic alternative to lighter medaka varieties. Hardy, adaptable, and easy to care for, Promage Medaka are an excellent choice for aquarists looking to add a unique, high-contrast fish to their aquarium or outdoor setup.
Approximate Shipping Size: 0.5 inches
Appearance
Promage Medaka feature a darker body coloration, often appearing black to charcoal with hints of metallic reflection across the scales. Under proper lighting, a subtle shimmer can be seen, giving the fish a sleek, polished look without overpowering its deep base color. As they mature, their coloration becomes richer and more defined, enhancing their bold, high-contrast appearance.
Temperament & Behavior
These ricefish are peaceful, social, and active swimmers that thrive in groups. They primarily occupy the upper levels of the aquarium and display natural schooling behavior when kept in groups of 6 or more, adding constant motion and visual interest.
Care Requirements
Promage Medaka are extremely hardy and adaptable, capable of thriving in a wide range of freshwater conditions. They perform well in both aquariums and outdoor tubs or ponds.
Tank Size: 10 gallons minimum
Temperature: 65–80°F
pH: 6.5–8.0
Hardness: Soft to moderate
Aquascape: Plants, floating plants, open swimming space
Tank Mates
Compatible with other peaceful species such as small tetras, rasboras, Corydoras, shrimp, and other ricefish. Avoid aggressive or predatory fish that may outcompete or stress them.
Diet & Feeding
Promage Medaka are omnivores that accept a wide range of foods including high-quality flakes, micro pellets, and frozen or live foods. Supplement with baby brine shrimp and daphnia to support healthy growth and enhance their natural coloration.
Quick Facts
Scientific Name: Oryzias latipes
Common Name: Promage Medaka, Japanese Ricefish
Care Level: Easy
Temperament: Peaceful, Social
Diet: Omnivore
Max Size: ~1.5 inches
Tank Level: Top
Breeding: Egg Layer (easy to breed)

