The Japanese Medaka Ricefish is a hardy and versatile freshwater species known for its adaptability, peaceful nature, and suitability for both aquariums and outdoor ponds. These small, active fish are easy to care for and thrive in a wide range of conditions, making them an excellent choice for both beginners and experienced aquarists. Their constant movement and surface activity add life and energy to any setup.
Approximate Shipping Size: 0.5 inches
Appearance
Japanese Medaka Ricefish have a slender, streamlined body with subtle natural coloration that may vary slightly between individuals. Their simple yet elegant appearance allows them to blend beautifully into planted aquariums or stand out in outdoor setups. As they mature, their body shape becomes more defined and their overall appearance more refined.
Temperament & Behavior
Medaka are peaceful, social fish that do best in groups. They are active swimmers that primarily occupy the upper levels of the aquarium. Keeping them in groups of 6 or more encourages natural schooling behavior and reduces stress, resulting in more active and visible fish.
Care Requirements
Japanese Medaka are extremely hardy and can adapt to a wide range of freshwater conditions. They are ideal for both indoor aquariums and outdoor tubs or ponds with stable water parameters.
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 peaceful species such as small tetras, rasboras, Corydoras, shrimp, and other non-aggressive fish. Avoid aggressive or large predatory species that may outcompete or stress them.
Diet & Feeding
Japanese Medaka are omnivores that accept a wide variety 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 activity.
Quick Facts
Scientific Name: Oryzias latipes
Common Name: Japanese Medaka, Ricefish
Care Level: Easy
Temperament: Peaceful, Social
Diet: Omnivore
Max Size: ~1.5 inches
Tank Level: Top
Breeding: Egg Layer (easy to breed)
The Japanese Medaka Ricefish is a hardy and versatile freshwater species known for its adaptability, peaceful nature, and suitability for both aquariums and outdoor ponds. These small, active fish are easy to care for and thrive in a wide range of conditions, making them an excellent choice for both beginners and experienced aquarists. Their constant movement and surface activity add life and energy to any setup.
Approximate Shipping Size: 0.5 inches
Appearance
Japanese Medaka Ricefish have a slender, streamlined body with subtle natural coloration that may vary slightly between individuals. Their simple yet elegant appearance allows them to blend beautifully into planted aquariums or stand out in outdoor setups. As they mature, their body shape becomes more defined and their overall appearance more refined.
Temperament & Behavior
Medaka are peaceful, social fish that do best in groups. They are active swimmers that primarily occupy the upper levels of the aquarium. Keeping them in groups of 6 or more encourages natural schooling behavior and reduces stress, resulting in more active and visible fish.
Care Requirements
Japanese Medaka are extremely hardy and can adapt to a wide range of freshwater conditions. They are ideal for both indoor aquariums and outdoor tubs or ponds with stable water parameters.
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 peaceful species such as small tetras, rasboras, Corydoras, shrimp, and other non-aggressive fish. Avoid aggressive or large predatory species that may outcompete or stress them.
Diet & Feeding
Japanese Medaka are omnivores that accept a wide variety 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 activity.
Quick Facts
Scientific Name: Oryzias latipes
Common Name: Japanese Medaka, Ricefish
Care Level: Easy
Temperament: Peaceful, Social
Diet: Omnivore
Max Size: ~1.5 inches
Tank Level: Top
Breeding: Egg Layer (easy to breed)
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