king of the herring vs Regalecus glesne

king of the herring and Regalecus glesne both are nouns.

Word	Noun	Adjective	Verb	Adverb
king of the herring	Yes	No	No	No
Regalecus glesne	Yes	No	No	No

As nouns, king of the herring and Regalecus glesne are synonyms defined as:

king of the herring and Regalecus glesne: thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin

Other synonyms of king of the herring include oarfish, ribbonfish.

king of the herring (noun)	Regalecus glesne (noun)
thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin	thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin