Is it rude to use a fork in Japan?

Chef's answer
The Japanese consider this behavior rude. If the food is too difficult to pick up (this happens often with slippery foods), go ahead and use a fork instead. ... It is considered rude to pass food from one set of chopsticks to another. Family-style dishes and sharing is common with Asian food.
Frequently asked Questions 🎓
Thou Shalt Avoid Smelly Foods The max time fish can be in microwaved in 30 seconds, before it starts to really heat through and smell. It's a gamble to put any sort of seafood in a microwave in a shared space.
Far from being forbidden, cutting with the side of the fork is the preferred method for anything easily subdued, such as fish, salad and cake. The tines are there because the fork has the more robust job of impaling meat while the knife is used to cut it. But impaling peas is too petty a task for it.
Growing up in the south, table manners are a big deal. I have always been told to try food before salting it and if somebody cooks you a steak, do not ask for steak sauce. It does, but I would put A1 on a perfect steak that I cooked myself. ....
Hugging, touching, or simply being overly physical with others in public is considered inappropriate etiquette in Ireland. Avoid using PDA and respect people's personal space in Ireland. 5. Finger twitch while driving is polite..
In Italy you can eat a pizza with cutlery or directly with your hands. However, according to etiquette, you have to eat it with cutlery only if it's a whole pizza (e.g. as they serve it in a restaurant), while you can eat sliced pizza with your hands (e.g. as they serve it in the street food tradition)..
Ask for the check ('Il conto, per favore"). A waiter would consider it rude to bring the bill before it's requested. ... As a common courtesy and sign of appreciation, be sure to extend an "arriverderci" or "buonasera" to the waiters and staff as you leave.
And please, do not burp or fart in public, it is considered extremely rude. Also, loud swearing and drinking alcohol from a bottle while walking the street, is frowned upon. Most Italians like some alcohol, but usually avoid to get drunk. Public scenes of drunkenness are much less tolerated than in other countries..
A few more cooking questions 📍