Homarus americanus (English spelling) Homarusamericanus

Japanese: Homarus americanus（英語表記）Homarusamericanus

...They are found in the northern part of Miyagi Prefecture, Kyushu, Korea, and Taiwan, and are very rare in the Sea of Japan. Attempts are being made to artificially transplant the American lobster Homarus americanus (illustration) to the coast of Iwate Prefecture, where spiny lobsters do not live. Lobsters are called sea crabs because they have large claws and no spines on their carapace, making them easily distinguishable from spiny lobsters. They belong to a different family, the Homarusidae, from the spiny lobster family. ...

From [Lobster]

… [Takeda Masatomo]. …

*Some of the terminology that mentions "Homarus americanus" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…宮城県北部から九州，韓国，台湾に分布し，日本海にはごく少ない。イセエビが分布しない岩手県沿岸にアメリカンロブスターHomarus americanus（イラスト）を人為的に移殖する試みがなされている。ロブスターlobsterはウミザリガニと呼ばれるように，大きなはさみをもち，頭胸甲にとげがないのでイセエビとは一見して区別がつき，イセエビ科とは別のウミザリガニ科に属す。…