Fish species of the Neretva basin indigenous Neretva's salmonids. It's a two variation of stocked Brown trout, Danube and Atlantic sub-species, that threatens survival of the "Neretva Softmouth" to certain extent but more significantly indigenous "Neretva's Brown" trout of Adriatic strain through cross-breading. Fish species of the Neretva basin The fish fauna of the Neretva river basin in the western Balkans is representative of the Dinaric karst region and characterized by several endemic and endangered species. Overall the Dinaric karst water systems support 25% of the total of 546 fish species in Europe. The river Neretva and its tributaries represent the main drainage system in the
Fin whale Fin whale The fin whale ("Balaenoptera physalus"), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a marine mammal belonging to the parvorder of baleen whales. It is the second-largest species on Earth after the blue whale. The largest reportedly grow to long with a maximum confirmed length of , a maximum recorded weight of nearly , and a maximum estimated weight of around . American naturalist Roy Chapman Andrews called the fin whale "the greyhound of the sea ... for its beautiful, slender body is built like a racing yacht