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. Adults measure approximately wide and long and have a rostrum of about.

Distribution and habitat

Cryptolithodes expansus can be found in both the western and eastern Pacific Ocean. In the west, it can be found along the Japanese and Korean coasts, and in the east, it can be found as far south as British Columbia. In Japan, it is distributed from Rishiri Island to Nanao Bay on the Sea of Japan coast and from Yūbetsu to Iwaki on the Pacific coast.