soupfin shark vs requiem shark

soupfin shark and requiem shark both are nouns.

Word	Noun	Adjective	Verb	Adverb
soupfin shark	Yes	No	No	No
requiem shark	Yes	No	No	No

As nouns, requiem shark is a hypernym of soupfin shark; that is, requiem shark is a word with a broader meaning than soupfin shark:

soupfin shark: Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A)
requiem shark: any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species

soupfin shark (noun)	requiem shark (noun)
Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A)	any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species