RV Mirabilis is a deep-sea fisheries research vessel owned by the Ministry of Fisheries and Marine Resources of Namibia.She was built in 2012 by STX Finland Rauma shipyard in Rauma, Finland, to replace the ageing RV Welwitschia, which was gifted by Japan in 1994. The vessel was procured with the help of the Ministry for Foreign Affairs of Finland, which provided an interest free loan.