Sea lamprey found in the northern and western Atlantic Ocean along the shores of Europe and North America, in the western Mediterranean Sea, the Black Sea, and in the shores of the Great Lakes. They have been found at depths to 4000 m and tolerate temperatures between 1.0 and 20 °C. The largest European populations of sea lampreys are located throughout the south-western areas of Europe (north-central Portugal, north-northwest of Spain, and west–south-west of France). These countries also support the main fisheries of the species. Sea lampreys are anadromous. From their lake or sea habitats, they migrate up rivers to spawn (followed
Navy Region Europe, Africa, Southwest Asia operational and logistical shore service support of Navy Region Southwest Asia (which included NSA Bahrain), along with Camp Lemonnier, in Djibouti, Africa, was realigned under the scope of Navy Region Europe. On April 21, 2009, Navy Region Europe officially changed its name to Commander Navy Region Europe, Africa, Southwest Asia. As an Echelon III Commander, Commander, Navy Region Europe, Africa, Southwest Asia reports directly to the Commander, Naval Installations Command for the operation and readiness of the following subordinate commands/installations: Navy Region Europe, Africa, Southwest Asia Navy Region Europe, Africa, Southwest Asia (EURAFSWA) is one of eleven current naval regions