Description
Species Overview
Scientific Name: Oryzias latipes
Common Name: Medaka Rice Fish
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The Oryzias sp. Red Cap Medaka Rice Fish is a golden‑ticket addition to any fishroom: a rare, collector’s prize that’s still tough to find in the hobby. True to its name, Red Caps sport a vivid orange‑red patch on its head that pops against a pearly, translucent body, making them look like tiny swimming crown jewels. They’re a favorite in pond‑style tanks for that satisfying top‑down view, and they bring instant bragging rights whether you’re a newbie or a seasoned aquascaper.
Behavior
These fish are exceptionally hardy, beginner-friendly, and adaptable to a wide variety of aquarium parameters, including brackish water setups.
In a standard home aquarium, these active fish are primarily mid- to top-level swimmers.
They are a deeply peaceful species that should be housed alongside other gentle nano fish and larger peaceful invertebrates.
They do best in schools of 6 or more and will display their best color and behavior when kept in appropriate numbers.
This species has the potential to jump, so a well-fitting lid or dense floating live aquarium plants are highly recommended for coverage.
Diet
Feeding Rice Fish is simple. They are omnivores with a healthy appetite and will eagerly eat a wide variety of fish food. To maintain their health, provide a balanced diet of high-quality flakes and micro pellets. They will also readily accept live or frozen foods, such as baby brine shrimp or daphnia, which mimic their natural diet and support optimal energy levels. Feed them small amounts once or twice daily.
Quick Care Stats
Origin: Tank-bred
Temperament: Peaceful – Fin-tastic for community tanks
Average Size: 1 – 1.5 inches
Diet: Omnivore
Minimum Tank Size: 10 Gallons
Ideal Group Size: School of 6 or more
Want to make sure your Medaka stay healthy and thrive? Click here for a complete Japanese Rice Fish Care Guide
