cobia vs sergeant fish

cobia and sergeant fish both are nouns.

Word	Noun	Adjective	Verb	Adverb
cobia	Yes	No	No	No
sergeant fish	Yes	No	No	No

As nouns, cobia and sergeant fish are synonyms defined as:

cobia and sergeant fish: large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters

Other synonyms of cobia include Rachycentron canadum.

cobia (noun)	sergeant fish (noun)
large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters	large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters