Black Medaka Ricefish
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Pictures of fish and fish in store may vary, these are just examples/fully grown fish

The Black Medaka Rice Fish (Oryzias latipes), a sleek and captivating addition to your freshwater aquarium. With its striking ebony coloration and graceful presence, the Black Medaka Rice Fish adds a touch of elegance and intrigue to your aquascape. This captivating fish is perfect for enthusiasts who appreciate unique and visually appealing species, and adding it to your aquarium will transform your underwater world into a masterpiece of beauty and sophistication.

Care Guide: The Black Medaka Rice Fish (Oryzias latipes) requires specific care to ensure its well-being and to observe its natural behavior. Follow these guidelines to provide optimal conditions for the health and happiness of your Black Medaka Rice Fish:

Aquarium Setup:

  • Tank Size: A small tank of at least 5-10 gallons is suitable for a small group of Black Medaka Rice Fish.
  • Substrate: Use fine sand or smooth gravel to create a comfortable environment for the fish.
  • Decor: Provide plenty of live or artificial plants, driftwood, and hiding spots to mimic its natural habitat.

Water Parameters:

  • Temperature: Maintain water temperatures between 68-75°F (20-24°C).
  • pH: Aim for a neutral pH around 7.0.
  • Hardness: Keep water hardness in the moderate range, around 5-12 dKH.

Filtration and Oxygenation:

  • Provide gentle filtration and good water circulation.
  • Ensure adequate surface agitation to maintain oxygen levels.

Diet and Feeding:

  • Black Medaka Rice Fish are omnivorous and can be fed a diet of high-quality flake or pellet foods.
  • Supplement their diet with live or frozen foods like brine shrimp, daphnia, and micro-worms for variety.


  • Choose peaceful and similarly sized tankmates that share similar water requirements.
  • Avoid aggressive or fin-nipping species that may stress or harm the Black Medaka Rice Fish.

Behavior and Compatibility:

  • Black Medaka Rice Fish are generally peaceful and can be kept in small groups.
  • They are known for their schooling behavior, so maintaining a group of at least 5 individuals is ideal.


  • Regular water changes are essential to maintain water quality and prevent waste buildup.
  • Keep the tank well-maintained and provide clean, well-oxygenated water.

Experience the sleek beauty of the Black Medaka Rice Fish in your aquarium. Order now to witness the graceful presence and natural behavior of these captivating fish. Whether you’re an experienced hobbyist or a beginner, the Black Medaka Rice Fish will provide endless fascination and a sense of sophistication to your freshwater aquarium.

Name: Black Medaka Ricefish
Science Name: Oryzias latipes “black”
Temperament: Peaceful

Max Size: 1.25″
pH: 6.5 – 7.5
Temperature: 72-80F°  (22-27°C)

Care Level: Easy
Life Expectancy: 2-3 years

Minimum Tank Size Recommended: 10 Gallons
Groups: Recommended in groups 6+ / Thrives in groups 12+


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