Horseshoe Crab Breeding Ground (Kasaoka)

カブトガニ繁殖地 · Kabutoganihanshokuchi

Designated by: National / Natural Monument
Designation type: Habitat / breeding site
Designated on: March 24, 1928
Location: 岡山県笠岡市
Prefectures: Okayama
Scientific name: Tachypleus tridentatus

Designation facts (name, date, location) are compiled from public records by Japanese authorities.

About the Tri-spine Horseshoe Crab

A marine arthropod with a hard shell and sword-like tail, called a living fossil because its form has changed little since ancient times. It spawns on tidal flats along the Seto Inland Sea and in northern Kyushu. Land reclamation has reduced its habitat, and breeding sites in Kasaoka, Okayama, and Imari, Saga, are national Natural Monuments, while one in Saijo, Ehime, is a prefectural Natural Monument.

Natural Monuments related to the Tri-spine Horseshoe Crab →

Map

Approximate location of the designated site (municipality centre).

Frequently asked questions

Horseshoe Crab Breeding Ground (Kasaoka) is a National Natural Monument of Japan (岡山県笠岡市). A marine arthropod with a hard shell and sword-like tail,…

The designated site is in 岡山県笠岡市.

When observing, follow local rules, keep your distance and never feed the animals. Capturing or harming Natural Monuments is prohibited under Japan's Act on Protection of Cultural Properties.