- 金鱼缸 jīnyúgāng goldfish bowla container or small tank for keeping goldfish
- 金鱼草 jīnyúcǎo snapdragonThe snapdragon plant (Antirrhinum majus), a flowering perennial from the plant family Plantaginaceae (formerly Scrophulariaceae) often grown for its large, colorful flowers.
- 金鱼藻 jīnyúzǎo hornworta genus of aquatic plant that grows under the water surface, commonly used in fish tanks
- 杯底不可饲金鱼 bēidǐbùkěsìjīnyú bottoms upA Taiwanese proverb used when drinking alcohol to mean that one should finish their glass in one gulp and not leave even a drop of liquid remaining, as if there were enough left to raise a goldfish.
- 金鱼佬 jīnyúlǎo pedophile(slang) pedophile or child abductor; specifically refers to a criminal who lures children with promises of seeing goldfish or other pets.