猫的爱人叫鱼鱼的爱人叫水
[māo de ài rén jiào yú yú de ài rén jiào shuĭ]
Which reads: 'A cat’s love is fish and fish’s love is water', conveys the natural hierarchy in biology while adding poetic beauty. Cats love eating fish; meanwhile, water supports fish, suggesting a cycle of nature.