Female Eriocheir sinensis

Female Eriocheir sinensis

The Erimacrus isenbeckii, also known as the horseshoe crab or the chestnut crab, is an animal belonging to the genus Erimacrus in the family Ericaceae. They mainly live in seawater, especially in the Pacific Northwest and the marginal waters from the Pacific coast north of Ibaraki Prefecture in Japan to the coast of Alaska. They are important commercial resources, mainly captured in fishing cages. They are carnivorous animals that prey on benthic organisms such as polychaetes, shellfish, other shellfish, and small fish. The natural enemies are the Bering wolffish and the North Pacific giant octopus.
Male Eriocheir sinensis

Male Eriocheir sinensis

The Erimacrus isenbeckii, also known as the horseshoe crab or the chestnut crab, is an animal belonging to the genus Erimacrus in the family Ericaceae. They mainly live in seawater, especially in the Pacific Northwest and the marginal waters from the Pacific coast north of Ibaraki Prefecture in Japan to the coast of Alaska. They are important commercial resources, mainly captured in fishing cages. They are carnivorous animals that prey on benthic organisms such as polychaetes, shellfish, other shellfish, and small fish. The natural enemies are the Bering wolffish and the North Pacific giant octopus.