The current position of RYUSHOMARU NO31 is in 42-01.078 N, 143-08.639 E reported at 2026-08-07 09:25:55. 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.