Cryptolithodes expansus

Cryptolithodes expansus is a species of king crab native to the Korean coast and Japan. They live in the sublittoral zone to a depth of approximately 50–60 m. Adults measure approximately 50 mm wide and 80 mm long and have a rostrum of about 10 mm.

Habitat
C. expansus can be found in both the western and eastern Pacific Ocean. In the west, it can be found in Japan and along the Korean coast, and in the east, it can be found in as far south as British Columbia.