Thalassa is an oceanographic research vessel operated by the Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER), the French Institute for Research of the Exploitation of the Sea. Thalassa was launched in 1995 and commissioned to replace an eponymous ship of 1960. References External links Thalassa on the Ifremer website Official website of Thalassa Research vessels of France Ships built in France 1995 ships