This is the 6009th most frequent Japanese word.
アユ
"アユ" (ayu) refers to the sweetfish, a species of fish native to East Asia, often found in rivers.
The word 'アユ' refers to the fish species, ayu or sweetfish, which is native to Japan.
アユは日本の川でよく見られる魚です。
Ayu is a fish often seen in Japanese rivers.
Here, 'アユ' is used to specify the object of the verb '釣る' (catch), indicating that the hobby involves fishing for ayu.
彼がアユを釣ることが趣味です。
His hobby is catching ayu.
In this sentence, 'アユ' denotes the type of fish being purchased, emphasizing its freshness at the market.