Alaskan king crab vs Paralithodes camtschatica

Alaskan king crab and Paralithodes camtschatica both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alaskan king crab	Yes	No	No	No
Paralithodes camtschatica	Yes	No	No	No

As nouns, Alaskan king crab and Paralithodes camtschatica are synonyms defined as:

Alaskan king crab and Paralithodes camtschatica: large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan

Other synonyms of Alaskan king crab include Alaska crab, Alaska king crab, king crab.

Alaskan king crab (noun)	Paralithodes camtschatica (noun)
large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan	large edible crab of northern Pacific waters especially along the coasts of Alaska and Japan
meat of large cold-water crab; mainly leg meat