At a glance the quick version
Coat and looks how to spot one
short, glossy solid black coat
A small, short-haired cat in deep, glossy black, likened to onyx or ink, usually with golden eyes. Old descriptions also mention a white stripe running from the chin down the chest and belly, a detail rarely looked for today.12
The story where it all began
The Korn Ja is one of the cats pictured in the traditional Thai cat-book poems and is common among Thai village and temple cats. Folk belief linked it to protecting the home from misfortune, and Thailand has recently named it one of its five native breeds.13
Fun facts for the dinner table
Recognised by the official bits
- Thai government
- Listed among five native cat breeds recognised as part of Thailand's national identity (reported 2026)3
- TIMBA
- Registered as a standard colour variety of the Maew Boran1
The care rhythm Furry Diary remembers it for you
A typical home-care rhythm for a Korn Ja. It is our own starting plan, not a vet's advice, and you can change every line in the app.
- Brushingevery week
- Nail trimevery 3 weeks
- Teeth brushingDaily brushing is idealevery 2 days
- Litter scoopevery day
- Litter changeevery week
- PlayDaily playevery day
- Flea, tick and worm protectionSchedule as your vet recommendsas your vet recommends
- Vet check-upSenior years usually start around age 11every year
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Where this comes from
Every breed page shows where each fact comes from. If we got something wrong, sorry, we are pet people, not a science magazine. Tell us at [email protected] and we will fix it.
- Messybeast: Breeds originating from South-East Asia messybeast.comused for origin, description, history, TIMBA status, fun facts
- List of cat breeds (Wikipedia) en.wikipedia.orgused for type, body, coat, colour
- Seasia: Thailand's five native cat breeds recognised as national identity (2026) seasia.coused for Thai national recognition, cultural meaning
Checked 2026-09-30. Text is written in our own words from these sources.