it might mean that it is hot but clean outside but cool and dirty inside? hope this helps.
Usually when a fish floats to the top of the water the fish is deceased, maybe from an imbalance in the PH levels of the water or lack of nutrition, etc. Hope this helps! let me know if i can help any further
This is a metaphor. unlike a simile, for example, Brave as a fox comma it does not use like or as. the definition of a metaphor is, a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable
