| 鱼类 | yú lèi | fishes |
| 鱼 | yú | fish; CL:条,尾 |
| 鱼群 | yú qún | shoal of fish |
| 鱼种 | yú zhǒng | fingerling |
| 鱼池 | yú chí | fishpond; Yuchi or Yuchih township in Nantou county 南投县, central Taiwan |
| 鱼类学 | yú lèi xué | ichthyology |
| 鱼粉 | yú fěn | fish meal |
| 鱼鳞 | yú lín | fish scales |
| 鱼雷 | yú léi | torpedo |
| 鱼翅 | yú chì | shark fin |
| 鱼肚 | yú dǔ | fish maw; a food dish made from the swim bladder of fish |
| 鱼水 | yú shuǐ | fish and water (metaphor for an intimate relationship or inseparability) |
| 鱼片 | yú piàn | fish filet |
| 鱼叉 | yú chā | harpoon |
| 鱼尾 | yú wěi | fishtail |
| 鱼雷艇 | yú léi tǐng | torpedo boat |
| 鱼网 | yú wǎng | fishing net |
| 鱼米之乡 | yú mǐ zhī xiāng | land of fish and rice |
| 鱼丸 | yú wán | fish ball |
| 鱼台 | Yú tái | Yutai county in Ji'ning 济宁, Shandong |
| 鱼台县 | Yú tái xiàn | Yutai county in Ji'ning 济宁, Shandong |
| 鱼和炸土豆条儿 | yú hé zhá tǔ dòu tiáor | fish and chips (traditional English food) |
| 鱼嘴鞋 | yú zuǐ xié | open-toed shoe; peep-toe |
| 鱼夫 | yú fū | fisher; fisherman |
| 鱼子 | yú zǐ | fish eggs; roe; caviar |
| 鱼子酱 | yú zǐ jiàng | caviar |
| 鱼尾板 | yú wěi bǎn | fishplate (in railway engineering) |
| 鱼尾纹 | yú wěi wén | wrinkles of the skin; crow's feet |
| 鱼峰 | Yú fēng | Yufeng district of Liuzhou city 柳州市, Guangxi |
| 鱼峰区 | Yú fēng qū | Yufeng district of Liuzhou city 柳州市, Guangxi |
| 鱼排 | yú pái | fish steak |
| 鱼死网破 | yú sǐ wǎng pò | lit. either the fish dies or the net splits; a life and death struggle (idiom) |
| 鱼水情 | yú shuǐ qíng | close relationship as between fish and water |
| 鱼汛 | yú xùn | variant of 渔汛 |
| 鱼汛期 | yú xùn qī | variant of 渔汛期 |
| 鱼池乡 | Yú chí xiāng | Yuchi or Yuchih township in Nantou county 南投县, central Taiwan |
| 鱼沉雁杳 | yú chén yàn yǎo | lit. the fish sinks, the goose vanishes into the distance (idiom); a letter does not arrive; lost in transmission |
| 鱼津 | yú jīn | bubbles (literary) |
| 鱼目混珠 | yú mù hùn zhū | to pass off fish eyes for pearls; to pass off fake products as genuine (idiom) |
| 鱼竿 | yú gān | fishing rod |
| 鱼缸 | yú gāng | fish tank; fishbowl; aquarium |
| 鱼翅汤 | yú chì tāng | shark fin soup |
| 鱼翅瓜 | yú chì guā | spaghetti squash (Cucurbita pepo) |
| 鱼肉百姓 | yú ròu bǎi xìng | to prey on the people |
| 鱼肚白 | yú dù bái | white (paint from dried fish guts); marble white color of the dawn sky |
| 鱼肝油 | yú gān yóu | cod liver oil |
| 鱼腩 | yú nǎn | meaty flesh from the underbelly of the carp |
| 鱼与熊掌 | yú yǔ xióng zhǎng | lit. the fish and the bear's paw, you can't have both at the same time (idiom, from Mencius); fig. you must choose one or the other; you can't always get everything you want; you can't have your cake and eat it |
| 鱼与熊掌不可兼得 | yú yǔ xióng zhǎng bù kě jiān dé | lit. the fish and the bear's paw, you can't have both at the same time (idiom, from Mencius); fig. you must choose one or the other; you can't always get everything you want; you can't have your cake and eat it |
| 鱼船 | yú chuán | fishing boat; same as 渔船 |