poeciliid fish vs poeciliid

poeciliid fish and poeciliid both are nouns.

Word	Noun	Adjective	Verb	Adverb
poeciliid fish	Yes	No	No	No
poeciliid	Yes	No	No	No

As nouns, poeciliid fish and poeciliid are synonyms defined as:

poeciliid fish and poeciliid: small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control

Other synonyms of poeciliid fish include live-bearer, topminnow.

poeciliid fish (noun)	poeciliid (noun)
small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control	small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control