monkfish vs Squatina squatina

monkfish and Squatina squatina both are nouns.

Word	Noun	Adjective	Verb	Adverb
monkfish	Yes	No	No	No
Squatina squatina	Yes	No	No	No

As nouns, monkfish and Squatina squatina are synonyms defined as:

monkfish and Squatina squatina: sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do

Other synonyms of monkfish include angel shark, angelfish.

monkfish (noun)	Squatina squatina (noun)
fishes having large mouths with a wormlike filament attached for luring prey	sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do
sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do
flesh of a large-headed anglerfish of the Atlantic waters of North America