pipefish vs needlefish

pipefish and needlefish both are nouns.

Word	Noun	Adjective	Verb	Adverb
pipefish	Yes	No	No	No
needlefish	Yes	No	No	No

As nouns, pipefish and needlefish are synonyms defined as:

pipefish and needlefish: fish with long tubular snout and slim body covered with bony plates

pipefish (noun)	needlefish (noun)
fish with long tubular snout and slim body covered with bony plates	fish with long tubular snout and slim body covered with bony plates
	elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters