- The, " Macrocheira kaempferi ", is a species of fishery which has led to some conservation measures.
- Tendons were harvested from crabs ( Macrocheira kaempferi ) and repeatedly washed with sodium hydroxide solution to remove proteins and to deacetylate the tendon chitin, which subsequently became known as tendon chitosan.
- :Though Karkinos is depicted in the game as resembling a giant red king crab, its species is listed therein as " Macrocheira kaempferi ", or the Japanese spider crab.