Dorsal-view medaka
Oryzias latipes
Also called Medaka, Japanese rice fish

Essential gear
- Shallow tank or tub
- Gentle filtration or air pump
- Hand net
- Shade cloth (outdoors)
- Micro pellet food
Lifespan
2–3years
Water temperature
15–28°C
pH
6.5–8.0
Water column
Upper level
Often swims and feeds near the surface
Keep in groups
6+ fish
Even in shallow pans they look best in a group
Diet
Omnivore
Micro pellets, crumbled flakes, brine shrimp nauplii
Suggested habitat
Shallow open water shows top-view varieties best. Indoors use a low tank; outdoors shade tubs and change water to keep mosquito larvae and algae blooms in check.
Plates are husbandry references—not build plans or generator parameters. Check your own water, vessel, and stocking before you act.