Platinum Medaka Ricefish Care Guide

Oryzias latipes var Platinum · Freshwater Fish

Platinum Medaka Ricefish
AI-generated illustration of Platinum Medaka Ricefish
Temperature
72-82°F
pH
7.0-8.0
Adult size
~1.5″ (3.8 cm)
Suggested tank
10+ gal
Origin
Asia
Family
Adrianichthyidae

What Platinum Medaka Ricefish look like

The Platinum Medaka Ricefish, scientifically known as Oryzias latipes var Platinum, exhibits a slender, fusiform body that typically reaches a maximum adult size of approximately 1.5 inches (3.8 cm). This variety is characterized by its striking platinum-silver coloration, which is notably more reflective than the wild-type gold forms. The body is laterally compressed, enhancing its hydrodynamic efficiency as a surface dweller. The mouth is upturned, adapted for feeding at the water's surface, and features small, fine dentition suitable for grazing on minute food particles. Notably, the Platinum Medaka lacks significant sexual dimorphism; however, males may display slightly more vibrant coloration during breeding periods. Defensive adaptations include a schooling behavior that provides safety in numbers, as well as a rapid swimming ability to evade predators. The species also possesses a small adipose fin, which aids in stabilization during swimming.

Behavior & temperament

Platinum Medaka Ricefish are primarily pelagic and exhibit a social structure that encourages schooling behavior, making them an obligate schooler. They thrive in the upper water column, often seen darting near the surface. In terms of breeding behavior, they are egg scatterers, releasing adhesive eggs that attach to aquatic vegetation. Their temperament is generally peaceful, although they can exhibit mild territoriality during breeding seasons. In a community tank, they are best kept in groups to reduce stress and promote natural behaviors, as solitary individuals may become skittish.

Diet & feeding

In the wild, the Platinum Medaka Ricefish is an omnivore, feeding on a diet that includes small invertebrates, algae, and detritus. In captivity, they thrive on a varied diet that includes high-quality flake food, live or frozen foods such as daphnia and brine shrimp, and plant matter to ensure a balanced nutritional intake.

Behind the name

Oryzias (from Greek 'oryza', meaning rice; referring to their habitat in rice paddies) latipes (from Latin 'latus', meaning broad; and 'pes', meaning foot; referring to the broad pectoral fins).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Platinum Medaka Ricefish?

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