Discover medaka
Medaka care guides covering behaviour, setup, water, feeding, varieties, breeding and Thailand’s outdoor conditions.
All articles
知る・育てる・楽しむ
Meet medakaWhat is a medaka? Behaviour and the joy of observing Japanese rice fish
Meet medaka, understand their social behaviour, and learn to observe them from above and from the side.
Read the guide ↗Getting startedMedaka care for beginners: prepare the container before day one
Choose a container, location, water preparation and simple equipment for your first medaka setup in Thailand.
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Water & habitatMedaka water care: filtration, chlorine and water changes
Understand medaka water quality, the nitrogen cycle, filtration and gradual maintenance beyond judging water by its clarity.
Read the guide ↗FeedingWhat do medaka eat? Feeding adults and fry without fouling the water
Choose suitable medaka food, observe feeding, remove leftovers and distinguish the needs of adults and tiny fry.
Read the guide ↗Thailand outdoorsKeeping medaka outdoors in Thailand: heat, rain and changing weather
Adapt outdoor medaka care to Thailand with temperature checks, ventilated shade, rain protection and a post-storm routine.
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Eggs & fryBreeding medaka: eggs, brood records and newly hatched fry
Understand medaka spawning, egg separation, first foods and simple brood records adapted to local conditions.
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Varieties & colourUnderstanding medaka varieties: Miyuki, lame, colours and body forms
Learn to describe medaka body colour, dorsal shine, lame, fins and body form, and distinguish visible traits from documented lineage.
Read the guide ↗Daily observationMedaka not eating, lethargic or losing weight: what to observe first
A practical observation checklist for medaka with appetite or condition changes, including water records and when to seek qualified help.
Read the guide ↗How we use our references
We synthesise Japanese association, research and husbandry references. Thailand callouts are editorial adaptations, not local trial results. Observe your own water and fish; seasonal dates and laboratory tolerance ranges are not universal care targets.
Photo: のぽちん（時々出没） さん · CC BY 2.1 JP · Wikimedia Commons
