The current position of RYUSHOMARU NO31 is in 38-52.742 N, 141-36.203 E reported at 2026-08-27 05:44:23. RYUSHOMARU NO31 (MMSI: 431800607) is a Fishing and is currently sailing under the flag of JPN, with a length overall (LOA) of 20 meters and a width of 4 meters.