flathead catfish vs Pylodictus olivaris

flathead catfish and Pylodictus olivaris both are nouns.

Word	Noun	Adjective	Verb	Adverb
flathead catfish	Yes	No	No	No
Pylodictus olivaris	Yes	No	No	No

As nouns, flathead catfish and Pylodictus olivaris are synonyms defined as:

flathead catfish and Pylodictus olivaris: large catfish of central United States having a flattened head and projecting jaw

Other synonyms of flathead catfish include goujon, mudcat, shovelnose catfish, spoonbill catfish.

flathead catfish (noun)	Pylodictus olivaris (noun)
large catfish of central United States having a flattened head and projecting jaw	large catfish of central United States having a flattened head and projecting jaw