Notropis atherinoides vs emerald shiner

Notropis atherinoides and emerald shiner both are nouns.

Word	Noun	Adjective	Verb	Adverb
Notropis atherinoides	Yes	No	No	No
emerald shiner	Yes	No	No	No

As nouns, Notropis atherinoides and emerald shiner are synonyms defined as:

Notropis atherinoides and emerald shiner: small blunt-nosed fish of Great Lakes and Mississippi valley with a greenish luster

Notropis atherinoides (noun)	emerald shiner (noun)
small blunt-nosed fish of Great Lakes and Mississippi valley with a greenish luster	small blunt-nosed fish of Great Lakes and Mississippi valley with a greenish luster