poor fish vs dolt

poor fish and dolt both are nouns.

Word	Noun	Adjective	Verb	Adverb
poor fish	Yes	No	No	No
dolt	Yes	No	No	No

As nouns, poor fish and dolt are synonyms defined as:

Other synonyms of poor fish include dullard, pillock, pudden-head, pudding head, stupe, stupid, stupid person.

poor fish (noun)	dolt (noun)
a person who is not very bright	a person who is not very bright