Used extensively by the Japanese forces during World War II, the Ebirah species of Kaiju were controlled by sonic impluses by super science devices. The Ebirah were not seen again around nexus of Kaiju activity of Monster Island until 1966. Originally this huge crustacean lived in the vicinity of Letchi Island in the South Pacific.
Ebirah are found extensively in the Pacific ring area & have been used extensively by the military forces of the Deep Ones or the Atlanteans at various times. The Ebirah are considered some of the most dangerous Kaiju by shipping & cargo companies who offer substantual bounties on these horrors.