菊花也是花鲸鱼不是鱼
[jú huā yĕ shì huā jīng yú bù shì yú]
It states 'A chrysanthemum is still called flower although it's different from most other kinds we often think of; similarly, a whale isn’t technically a fish despite being a sea creature.' It could imply uniqueness within the context of a broader classification. The user seems to be trying to point out some interesting facts to express his personality.