Cyclopterus lumpus vs lumpfish

Cyclopterus lumpus and lumpfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cyclopterus lumpus	Yes	No	No	No
lumpfish	Yes	No	No	No

As nouns, Cyclopterus lumpus and lumpfish are synonyms defined as:

Cyclopterus lumpus and lumpfish: clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar

Cyclopterus lumpus (noun)	lumpfish (noun)
clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar	clumsy soft thick-bodied northern Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar