needlefish vs timucu

needlefish and timucu both are nouns.

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

As nouns, timucu is a hyponym of needlefish; that is, timucu is a word with a more specific, narrower meaning than needlefish:

needlefish: elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters
timucu: found in warm waters of western Atlantic

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