University of the Ryukyus
In January 1966, the body of an Iriomote cat that had been caught in a wild boar trap in the mid-basin of the Nakama River was sent to Koura at the University of the Ryukyus, but there was no more information regarding captures for some time after this. In December 1966, , a hunter at the Nakama River's mid-basin, caught a live male cat, but it escaped immediately. He then caught another male cat soon after.