mola vs sharptail mola

mola and sharptail mola both are nouns.

Word	Noun	Adjective	Verb	Adverb
mola	Yes	No	No	No
sharptail mola	Yes	No	No	No

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

mola: among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters
sharptail mola: caudal fin has a central projection

Other hyponyms of mola include Mola lanceolata.

mola (noun)	sharptail mola (noun)
among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters	caudal fin has a central projection